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How To: Solve the equation of a line with substitution

Need to know how to solve the equation of a line using substitution? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Solve a set of linear equations with the TI-83

Looking for a guide on how to solve a system of linear equations using a TI-83 graphing calculator? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Solve a system of linear equations with a TI-89

Looking for instructions on how to solve systems of linear equations using a TI-89 graphing calculator? Learn how with this free video algebra lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Solve separable first-order differential equations

Need to know how to solve separable differential equations in algebra? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Solve a set of linear equations by substitution

Looking for a primer on how to solve systems of linear equations by substitution? Learn how with this free video algebra lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Clear decimals from a linear equation

Need instructions on how to remove decimal values from a linear equation in algebra? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Simplify & solve multi-step equations in algebra

Looking for a primer on how to combine like terms and/or use the distributive property to solve algebraic equations? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Solve a system of linear equations in basic algebra

Looking for a primer on how to solve systems of linear equations in algebra? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Solve single-variable algebraic equations

Need to know how to solve simple, single-variable equations in algebra? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Solve two-step equations in algebra

Need to know how to solve basic two-step equations in algebra? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Clear fractions from linear equations in Algebra

Need help figuring out how to remove fractions from linear equations in algebra? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Solve systems of linear inequalities in algebra

Want to know how to solve a system of linear inequalities in algebra? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Solve differential equations in Algebra

Need help figuring out how to solve differential equations in algebra? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Find the value of a variable in an algebraic equation

Need help figuring out how to solve simple algebraic equations? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Solve linear equations with fractions in algebra

Need help figuring out how to solve a linear equation involving fractions in algebra? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Work with logarithms in intermediate algebra

Learn how to evaluate simple log expressions and how to use the log operation to solve exponential equations in intermediate algebra with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Simplify algebraic expressions with rational exponents

Want to know how to simplify expressions including rational exponents in algebra? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Simplify algebraic expressions involving exponents

Need help figuring out how to simplify algebraic expressions? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Find the derivative of an inverse function in calculus

Looking for a primer on how to find the derivative of an inverse function in calculus? Learn how with this free video calc lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Find the domain of a function in precalculus

Looking for a primer on how to find the domain of a function in precalculus? Learn how with this free video precalc lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Download DivX movies directly to your PS3

When most people think of playing movies on the Playstation 3, they think about its capabilities as a Blu-Ray player. Well, it can play more movies than just those new-fangled things! This video demonstrates how you can download DivX movies from the internet directly to you Playstation 3. Now you have access to all of the free movies the internet has to offer.

How To: Make Chinese calligraphy tracing sheets

Tracing sheets are an important part of Chinese calligraphy, especially if you plan on using calligraphy to write rather than as a purely artistic exercise, as they enable you to create characters more quickly. This video demonstrates one technique for creating the sheets using pencil, copying the characters from models available for free online here and here, among other places. Refine your calligraphy and increase your speed until you can write whole practical messages in this ancient and d...

How To: Make a professional-looking advertisement in Photoshop

Need to create an ad for your business? Learn how with this video lesson. Meet the Adobe Photoshop pen tool! Whether you're new to Adobe's popular image editing software or simply looking to pick up a few new tips and tricks, you're sure to benefit from this free video tutorial, which presents a step-by-step guide to creating a professional-quality advertisement.

How To: Extract an object from its background in Photoshop

Want to separate a foreground object from its background? Whether you're new to Adobe's popular image editing software or simply looking to pick up a few new tips and tricks, you're sure to benefit from this free video tutorial from Connor Tuts. For more information, including step-by-step instructions on how to get started extracting elements from pictures in Photoshop yourself, watch this graphic designer's guide.

How To: Remove stains, dirt and discoloration in Photoshop

Want to touch up an old printed photograph? Whether you're new to Adobe's popular image editing software or simply looking to pick up a few new tips and tricks, you're sure to benefit from this free video tutorial from the folks at Britec Computer Systems. This video offers a step-by-step guide on how to get rid of unwanted stains, dirt and discoloration using Adobe Photoshop.

How To: Remove dust, dirt & scratches from images in Photoshop

Want to remove dirt, dust and scratches from an old photo? With Adobe Photoshop, it's easy to restore antique or damaged photographs. Whether you're new to Adobe's popular image editing software or simply looking to pick up a few new tips and tricks, you're sure to benefit from this free video tutorial from the folks at Britec Computer Systems. This video offers a step-by-step guide on how to remove dirt and noise from an old image.

How To: Draw a bowl of fruit

There's nothing like a delicious bowl of fruit to fill your body with energy and nurtrition. Now learn how to fill your walls full of energy and nutrition with help from this Hawks Vs. Pigeon Production. In this free drawing tutorial, learn how to draw a bowl of fruit.

How To: Pull off the half windsor tie knot

Looking for a slimmer necktie knot? Try an old standby—the half Windsor knot (sometimes referred to as the "double" Windsor). This video tutorial presents a careful, slow-motion overview of the knot tying process and will have you tying perfect half Windsor knots in no time at all. Reduce bulk and get extra length from your ties with this free sartorial guide.

How To: Make a paper origami shoes or heels

Love shoes and easy craft projects? Make miniature paper shoes using origami, the traditional Japanese folk art of paper folding. This free origami video lesson presents complete instructions on how to make your own paper shoes from folded paper. For more information, and to get started making paper shoes yourself, take a look!

How To: Make an easy origami rose

Love roses and easy craft projects? Make a paper rose using origami, the traditional Japanese folk art of paper folding. This free origami video lesson presents complete instructions on how to make your own roses from folded paper. For more information, and to get started making paper flowers yourself, take a look!

How To: Fold an origami jet

Love jets and easy craft projects? Make a paper jet with origami, the traditional Japanese folk art of paper folding. This free origami video lesson presents complete instructions on how to make your own paper planes from folded paper. For more information, and to get started making paper jet fighters yourself, take a look!

How To: Make an origami sweetsbox

Love candy and easy craft projects? Make a paper sweets box using origami, the traditional Japanese folk art of paper folding. This free origami video lesson presents complete instructions on how to make your own paper candy dish from folded paper. For more information, and to get started making paper candy bowls, take a look!

How To: Make a paper origami frog

Love frogs and easy craft projects? Make a simple, barebones folded-paper frog with origami, the traditional Japanese folk art of paper folding. This free origami video lesson presents complete instructions on how to make your own miniature toy frogs from paper. For more information, and to get started making paper frogs yourself, take a look!

How To: Make a paper origami envelope

Have extra paper and a little bit of spare time to match? Make your own envelopes using origami, the traditional Japanese folk art of paper folding. This free video origami lesson presents a step-by-step overview of how to produce a simple, functional paper envelope from a sheet of paper. For detailed instructions, and to get started making your own paper envelopes, watch this arts-and-crafts guide.

How To: Root a T-Mobile MyTouch 3G or G1 in six minutes

Root your T-Mobile MyTouch 3G or G1 Android smartphone using the flashrec.apk method, which will permit you to replace your recovery image in a single click. For detailed, step-by-step instructions, and to get started rooting your own T-Mobile Android MyTouch 3G or G1 phone, watch this free video tutorial.

How To: Make a Kahlúa flavored angel food cake

To make an angel food cake, it's nearly impossible without a stand mixer. So if you have one, you can enjoy this light, airy, and fat-free angel's food cake in no time. If not, you can always try mixing the ingredients by hand, which is the old way of the kitchen. Check out this video recipe for Kahlúa angel cake. The coffee-flavored liqueur is a nice touch!