-83=-2m+7(4m+3)

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Solution for -83=-2m+7(4m+3) equation: 



-83=-2m+7(4m+3)

We move all terms to the left:

-83-(-2m+7(4m+3))=0



We calculate terms in parentheses: -(-2m+7(4m+3)), so:

-2m+7(4m+3)

We multiply parentheses

-2m+28m+21

We add all the numbers together, and all the variables

26m+21

Back to the equation:

-(26m+21)



We get rid of parentheses

-26m-21-83=0

We add all the numbers together, and all the variables

-26m-104=0

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

-26m=104

m=104/-26

m=-4

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