-7(3a-1)=8

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Solution for -7(3a-1)=8 equation: 



-7(3a-1)=8

We move all terms to the left:

-7(3a-1)-(8)=0

We multiply parentheses

-21a+7-8=0

We add all the numbers together, and all the variables

-21a-1=0

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

-21a=1

a=1/-21

a=-1/21

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