84=-6(2+2a)

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Solution for 84=-6(2+2a) equation: 



84=-6(2+2a)

We move all terms to the left:

84-(-6(2+2a))=0

We add all the numbers together, and all the variables

-(-6(2a+2))+84=0



We calculate terms in parentheses: -(-6(2a+2)), so:

-6(2a+2)

We multiply parentheses

-12a-12

Back to the equation:

-(-12a-12)



We get rid of parentheses

12a+12+84=0

We add all the numbers together, and all the variables

12a+96=0

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

12a=-96

a=-96/12

a=-8

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