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How To: Solve two linear equations by the elimination method

\When both equations in a linear system are in the form Ax + By = C, you can solve the system using elimination. How is this method different from substitution? The idea behind the elimination method is to create a new equation from a combination of the original equations in the system. The new equation is formed by adding or subtracting the originals. When we combine two true equations, the sum or difference must also be true.

How To: Determine the IP address of a email

The author shows how to identify the IP address of a email. He shows how to check the 'Show Original' options in Gmail and in that content how to identify where the email came from and exactly its IP address. Now we can take that IP address and go to any of the many IP lookup websites and trace the original geographical location of that IP address. By following the steps in this tutorial you can easily trace out the origination IP address of an email from which you can extract a lot of useful...

How To: Correct white balance in Photoshop

This informative video tells you how to use the variations panel in Adobe Photoshop to correct color issues in your photo. Too much yellow in your picture? Learn how to use the variations setting to instantly fix this with the corresponding opposite color. With simple clicks and easy preview-able pictures, you can correct color over-exposures with a click of the mouse. First go to the Images drop down and select the variations option. The original photo on the top can be clicked to revert you...

How To: Add your photo to a billboard in Photoshop

This video teaches about adding any of your photos to a billboard. Now copy into the computer memory back into the original billboard image to create another layer this is the layer place in our image. We can do this correctly, respective into this filter which is called vanishing point. Clicking at the four edges make this little bit bigger in image area. Now we can paste in that image control and change the promotional image. It fits sign of the billboard area and resize after the slight li...

Fearmongering 101: The Case of the Samsung Galaxy Backdoor Exploit

Yesterday, the Free Software Foundation published an article written by Paul Kocialkowski. A software developer for the the Android fork system Replicant, Paul stated that his organization discovered, and later patched, a "backdoor" vulnerability that existed in older Samsung Galaxy devices, including our beloved Galaxy S3s. Only problem is, it's kind of bullshit—but we'll get to that later.

How To: Play "The Breakup Song" on ukelele

The ukelele is a great little instrument that is easy to learn, sounds good, and is portable. How much better could it be? They work especially well for covering pop songs, since they're very simple and catchy, which is the essence of the ukelele. This video will teach you how to play the YouTube ukelele original "The Breakup Song" on ukelele.

How To: Use Smart Objects in Photoshop

In this video tutorial you will learn about the basics of using Smart Objects in Photoshop. Smart objects can consist of pixel-based content or vector-based content. These smart objects also remember their original size and can be transformed multiple times without loss.

How To: Take photographs like Gregory Crewdson

In this Ovation TV original special, acclaimed photographer Gregory Crewdson shares with us his insight into his photographic techniques. Like a film, he uses a lot of production, a lot of lighting, a lot of set design. He is an American photographer best known for elaborately staged, surreal scenes of American homes and neighborhoods. Learn how to take pictures like this master artist.

How To: Recycle used paper yourself

Learn how to recycle used paper. It's just a little project for your kids/students. You can add food colors or small flowers in order to make original paper for love letters, greetings, etc. You can also store the remaining mixture for future paper-making.

How To: Make original Toll House chocolate

In this tutorial, we learn how to make original Toll House chocolate. First, measure out 2 1/4 c flour with 1 tsp baking soda, and combine with 2 sticks of butter. Then, add in 3/4 c sugar to the mixture with a spoonful of molasses. Now, add in one egg and combine together. Then add in one bag of Toll house chocolate chips to the mixture along with vanilla. After this, spoon the cookie batter onto a greased cookie sheet and bake in the oven until they are golden brown. take out of the oven an...

How To: Incorporate sources into your paper

Michael Abernethy teaches us how to incorporate sources into a paper in this tutorial. When you begin to write your sources in your paper, you need to first find out what you need to cite in the paper. Find out where you have used sources and make sure you give credit to the source it came from. After this, you need to research how to cite the different sources where you got your information. You want to use the most up-to-date information on MLA style citation while writing inside a paper. A...

How To: Play All American Rejects' "Gives You Hell" on ukulele

In this how-to video, you will learn how to play "Gives You Hell" by the All American Rejects on a ukulele. You will need knowledge of chords and a tuned ukulele. The song starts off with the chords E, C#m7, and A. The verse uses the same progression as the intro to the song. The chorus also uses this same progression. The next part consists of B, C#m7, B, and A7. Play this part once before going back into the original chord progression. You will go into the second progression, and then play ...

How To: Add a new background to an image using GIMP on Linux

Learn how to add a new background to an image using Gimp. 1 Open the original image and the new background in Gimp. 2 Open the layers dialog and then click on add an alpha channel. 3 On the original image choose 'Select by color' from the menu and then hit delete. 4 Copy the image. 5 On the new background, select 'Add a layer'. 6 Paste on the new background. 7 Save and you are ready to go.

How To: Understand compound & continuous interest

In this video the instructor talks about compound and continuous interest formula calculations. You need to understand the concepts of simple and compound interest. Only then you can understand what the bank is doing to your money which are in your bank account. Simple interest is a method where when returning a borrowed sum to some one you pay additional price for using the money all this time. Compound interest is a similar concept where you pay interest on the original sum borrowed, and al...

How To: Mend a broken eyeshadow

For any hard eyeshadow that has broken in its well, this technique displays how to fix and make your eyeshadow good as new and easy to use again. Move all the eyeshadow powder out of the eye shadow dish and into a new container and break it all up into a fine powder. Using any type of alcohol (she uses vodka) and mix the eye shadow until it forms a paste. You then would put the alcohol mixture back in the original dish and then press down on the dish with a coin covered in a cloth soaked in a...

How To: Create realistic reflections in Photoshop

Pixel Perfect is the "perfect" show to help you with your Photoshop skills. Be amazed and learn as master digital artist Bert Monroy takes a stylus and a digital pad and treats it as Monet and Picasso do with oil and canvas. Learn the tips and tricks you need to whip those digital pictures into shape with Adobe Photoshop and Illustrator. In this episode, Ben shows you how to create realistic reflections in Photoshop.