x+15=2x-7

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Solution for x+15=2x-7 equation: 



x+15=2x-7

We move all terms to the left:

x+15-(2x-7)=0

We get rid of parentheses

x-2x+7+15=0

We add all the numbers together, and all the variables

-1x+22=0

We move all terms containing x to the left, all other terms to the right

-x=-22

x=-22/-1

x=+22

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