84=7(-2m-4)

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Solution for 84=7(-2m-4) equation: 



84=7(-2m-4)

We move all terms to the left:

84-(7(-2m-4))=0



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

7(-2m-4)

We multiply parentheses

-14m-28

Back to the equation:

-(-14m-28)



We get rid of parentheses

14m+28+84=0

We add all the numbers together, and all the variables

14m+112=0

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

14m=-112

m=-112/14

m=-8

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