-7=m-(-12)

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Solution for -7=m-(-12) equation: 



-7=m-(-12)

We move all terms to the left:

-7-(m-(-12))=0



We calculate terms in parentheses: -(m-(-12)), so:

m-(-12)

We add all the numbers together, and all the variables

m+12

Back to the equation:

-(m+12)



We get rid of parentheses

-m-12-7=0

We add all the numbers together, and all the variables

-1m-19=0

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

-m=19

m=19/-1

m=-19

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