-83=-7(-2a-1)-8(a+12)

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Solution for -83=-7(-2a-1)-8(a+12) equation: 



-83=-7(-2a-1)-8(a+12)

We move all terms to the left:

-83-(-7(-2a-1)-8(a+12))=0



We calculate terms in parentheses: -(-7(-2a-1)-8(a+12)), so:

-7(-2a-1)-8(a+12)

We multiply parentheses

14a-8a+7-96

We add all the numbers together, and all the variables

6a-89

Back to the equation:

-(6a-89)



We get rid of parentheses

-6a+89-83=0

We add all the numbers together, and all the variables

-6a+6=0

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

-6a=-6

a=-6/-6

a=1

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