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How To: Solve for x in the algebra equation -7 + 13x = 58

In this video he just explained about how to solve an algebra problem. The problem is -7+13x=58. He just solve the problem in simple steps. First you find out the x in this problem. To find out x you just add 7 to each side. Then it will be -7+7+13x=58+7. Then the equation will be 13x=65 because in the left side of the equation -7 canceled by +7 so then the equation is 13x=65. Next you just add the divide by 13 each side of the equation. Then the equation will be 13x/13=65/13. Then 13 divided...

How To: Graph the slope of a line through two points

If you want to learn how to get and graph the slope of a line using two points, you should watch this. 1. Let your two points be (x1 , y1) and (x2 , y2). Draw a straight line that connects the two points. 2. Use the formula, m = change in y over change in x , for finding the slope which is represented by the variable m. 3. The simpler form of the formula would be m = (y1 - y2) / (x1 - x2). 4. If you were given two points, just substitute the values in the given formula. 5. For example, the tw...

How To: Create Custom Wordlists for Password Cracking Using the Mentalist

Beginners learning brute-forcing attacks against WPA handshakes are often let down by the limitations of default wordlists like RockYou based on stolen passwords. The science of brute-forcing goes beyond using these default lists, allowing us to be more efficient by making customized wordlists. Using the Mentalist, we can generate millions of likely passwords based on details about the target.

How To: Use Siri to Play Spotify Music (All the Commands You Need to Know)

Finally, Spotify now works with Siri! It's been a long time coming, but as of Spotify Music version 8.5.6 for iOS 13, you can make Siri or Hey Siri on your iPhone play and control music in your Spotify account. But what commands can you use? We've built a list of everything you can tell Siri to do on Spotify right now, and as time goes on, the list may grow even more powerful.

How To: 5 Delicious Ways to Reinvent Your Stale Potato Chips

Now that the Super Bowl is over, you might find that you have an econo-sized bag or two of opened potato chips slowly going stale in your pantry. After all, there are only so many bowls of Buffalo Chicken Pizza Beer Dip you can eat with 'em—and you definitely don't want them to get so old that you have to throw them out.

How to Make Ferrofluid: The Liquid of the Future

What Is Ferrofluid? Ferrofluid is a black, solvent-based liquid, that, in the presence of a magnetic field, becomes strongly magnetized. The fluid is made up of nanomagnetic particles coated with an "anti-stick" or surfactant compound, suspended in a "carrier", commonly an organic solvent. For mechanical applications, it is used in hard drives and speakers as a lubricant. However, it also has been implemented in artwork, as seen in the video below.

Coffee Mugs: They're Not Just for Coffee

Coffee mugs: nothing proliferates more quickly in my kitchen cabinets. People are always handing them out as gifts or as swag, plus I always seem to find a vintage model or two at a garage sale that I'm compelled to buy. I used to do a yearly purge of my excess muggage, but it turns out it's a good idea to hold on to one or two extras.

Apple AR: Virtual Dog Demo by Ridgeline Could Be the New Tamagotchi

This demo made with Apple's ARKit is 13/10 and features a very good boy. Since the ARKit was announced, there have been rumors going around about what it could mean for pet lovers who want to see augmented reality dogs. The popular Twitter We Rate Dogs has created a Good Dogs Game app that lets you have a your own virtual dog, but now Ridgeline Labs have also entered the arena with an ARKit dog game of their own, and it's the best thing I've ever seen.

How To: Make a Cardboard Captain America Shield for Halloween

As if Captain America: The First Avenger wasn't awesome enough, Marvel hit us with Captain America: The Winter Soldier this year, and it was even more spectacular than its predecessor. Grossing nearly $260 million in domestic sales, it's safe to say America loves Captain America and we'll probably get a heavy dose of Captain costumes this year for Halloween. Anyone can buy a costume from the store, but what will help set you apart from everyone else is a badass DIY Captain America shield, unm...

How To: Screw the NVIDIA Shield, Try This Cheaper DIY Ghetto Shield Instead

The NVIDIA Shield is essentially a game controller with a screen attached so you can take your music, movies and games wherever you go. It lets you stream the PC games you already have over Wi-Fi so you don't have to be in front of the computer to play them. LinusTechTips was supposed to receive a Shield to test, but it was late getting there, so they decided to make their own using an Android phone and an Xbox 360 controller. They've dubbed the project "Ghetto Shield."

News: Potassium Chlorate—How Pyromaniacal Mad Scientists Take Care of Cockroaches and Pesky Gummy Bears

Pyromania is definitely nothing new on WonderHowTo. From flamethrowers and hydrogen fireballs, to flame-making pistons and wine corks, to simply burning steel wool fireworks and DIY smoke mix, we've covered it all. But when pyromaniacal mad scientists feel the need to release some tension in the lab, gummy bears and cockroaches become the victims of euphoric oxidation by way of molten potassium chlorate. A recent video by famous YouTube chemist NurdRage shows one of mankind's most despised cr...

How To: Exploring Kali Linux Alternatives: Set Up the Ultimate Beginner Arch Linux Hacking Distro with Manjaro & BlackArch

There's no doubt Kali has established itself as the most popular penetration distribution available. However, just because it's the fan favorite of beginners and security researchers doesn't make it right for everyone. Manjaro Linux is a beginner-friendly Arch-based distribution which can be easily weaponized with the Black Arch expansion, creating a friendlier first-time Arch experience.