-15=x-7-2

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



-15=x-7-2

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(x-9)-15=0

We get rid of parentheses

-x+9-15=0

We add all the numbers together, and all the variables

-1x-6=0

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

-x=6

x=6/-1

x=-6

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