-84=2(-7+7m)

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Solution for -84=2(-7+7m) equation: 



-84=2(-7+7m)

We move all terms to the left:

-84-(2(-7+7m))=0

We add all the numbers together, and all the variables

-(2(7m-7))-84=0



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

2(7m-7)

We multiply parentheses

14m-14

Back to the equation:

-(14m-14)



We get rid of parentheses

-14m+14-84=0

We add all the numbers together, and all the variables

-14m-70=0

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

-14m=70

m=70/-14

m=-5

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