-7(a-8)=84

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Solution for -7(a-8)=84 equation: 



-7(a-8)=84

We move all terms to the left:

-7(a-8)-(84)=0

We multiply parentheses

-7a+56-84=0

We add all the numbers together, and all the variables

-7a-28=0

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

-7a=28

a=28/-7

a=-4

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