-86=-7a-5(6-3a)

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Solution for -86=-7a-5(6-3a) equation: 



-86=-7a-5(6-3a)

We move all terms to the left:

-86-(-7a-5(6-3a))=0

We add all the numbers together, and all the variables

-(-7a-5(-3a+6))-86=0



We calculate terms in parentheses: -(-7a-5(-3a+6)), so:

-7a-5(-3a+6)

We multiply parentheses

-7a+15a-30

We add all the numbers together, and all the variables

8a-30

Back to the equation:

-(8a-30)



We get rid of parentheses

-8a+30-86=0

We add all the numbers together, and all the variables

-8a-56=0

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

-8a=56

a=56/-8

a=-7

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