-84=4(5x+4)

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Solution for -84=4(5x+4) equation: 



-84=4(5x+4)

We move all terms to the left:

-84-(4(5x+4))=0



We calculate terms in parentheses: -(4(5x+4)), so:

4(5x+4)

We multiply parentheses

20x+16

Back to the equation:

-(20x+16)



We get rid of parentheses

-20x-16-84=0

We add all the numbers together, and all the variables

-20x-100=0

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

-20x=100

x=100/-20

x=-5

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