To solve the problem 2x-7=15 you may use pthageroum therom. It is very easy to use everyone likes it and sometimes it's kind of hard and it take for ever to solve, and some people really hate it that's why some of the don't use it very often like some other people do. When you solve this you can do solve it in many other ways. Sometimes people just make a shape out of it , some people even use the graphs so that they can solve it while looking at the graphs, it's very it is intresting. When people do solve this type of problems they use the graphs and other stuff and fractions. They can even turn this into a shape with angles and triangles and other shapes that you can convert them into.
Sometimes when people solve this they try to make the varible dissappear so that they can solve the problem and make it right. Trust me people do do that. When the solve it they take away the varible and try to figure out what the varible represents. You can solve this problem with the oppisite operation, like subtraction to addition, and multiplication to division, it's like counting money but opisite. So for this problem you would have to use two different operations which are addition and division because th
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