86=-6(-5m+7)+8

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Solution for 86=-6(-5m+7)+8 equation: 



86=-6(-5m+7)+8

We move all terms to the left:

86-(-6(-5m+7)+8)=0



We calculate terms in parentheses: -(-6(-5m+7)+8), so:

-6(-5m+7)+8

We multiply parentheses

30m-42+8

We add all the numbers together, and all the variables

30m-34

Back to the equation:

-(30m-34)



We get rid of parentheses

-30m+34+86=0

We add all the numbers together, and all the variables

-30m+120=0

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

-30m=-120

m=-120/-30

m=+4

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