84=-2x-3(2x+4)

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Solution for 84=-2x-3(2x+4) equation: 



84=-2x-3(2x+4)

We move all terms to the left:

84-(-2x-3(2x+4))=0



We calculate terms in parentheses: -(-2x-3(2x+4)), so:

-2x-3(2x+4)

We multiply parentheses

-2x-6x-12

We add all the numbers together, and all the variables

-8x-12

Back to the equation:

-(-8x-12)



We get rid of parentheses

8x+12+84=0

We add all the numbers together, and all the variables

8x+96=0

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

8x=-96

x=-96/8

x=-12

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