7m-5(3m-4)=84

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Solution for 7m-5(3m-4)=84 equation: 



7m-5(3m-4)=84

We move all terms to the left:

7m-5(3m-4)-(84)=0

We multiply parentheses

7m-15m+20-84=0

We add all the numbers together, and all the variables

-8m-64=0

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

-8m=64

m=64/-8

m=-8

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