x-15=3x+7

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Solution for x-15=3x+7 equation: 



x-15=3x+7

We move all terms to the left:

x-15-(3x+7)=0

We get rid of parentheses

x-3x-7-15=0

We add all the numbers together, and all the variables

-2x-22=0

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

-2x=22

x=22/-2

x=-11

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