-76=4(7+7m)+8(-8m-4)

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Solution for -76=4(7+7m)+8(-8m-4) equation: 



-76=4(7+7m)+8(-8m-4)

We move all terms to the left:

-76-(4(7+7m)+8(-8m-4))=0

We add all the numbers together, and all the variables

-(4(7m+7)+8(-8m-4))-76=0



We calculate terms in parentheses: -(4(7m+7)+8(-8m-4)), so:

4(7m+7)+8(-8m-4)

We multiply parentheses

28m-64m+28-32

We add all the numbers together, and all the variables

-36m-4

Back to the equation:

-(-36m-4)



We get rid of parentheses

36m+4-76=0

We add all the numbers together, and all the variables

36m-72=0

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

36m=72

m=72/36

m=2

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