15=2m-(-7)

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Solution for 15=2m-(-7) equation: 



15=2m-(-7)

We move all terms to the left:

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



We calculate terms in parentheses: -(2m-(-7)), so:

2m-(-7)

We add all the numbers together, and all the variables

2m+7

Back to the equation:

-(2m+7)



We get rid of parentheses

-2m-7+15=0

We add all the numbers together, and all the variables

-2m+8=0

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

-2m=-8

m=-8/-2

m=+4

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