-85=2(-8m-7)-7

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Solution for -85=2(-8m-7)-7 equation: 



-85=2(-8m-7)-7

We move all terms to the left:

-85-(2(-8m-7)-7)=0



We calculate terms in parentheses: -(2(-8m-7)-7), so:

2(-8m-7)-7

We multiply parentheses

-16m-14-7

We add all the numbers together, and all the variables

-16m-21

Back to the equation:

-(-16m-21)



We get rid of parentheses

16m+21-85=0

We add all the numbers together, and all the variables

16m-64=0

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

16m=64

m=64/16

m=4

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