-20=4(2x+4)

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Solution for -20=4(2x+4) equation: 



-20=4(2x+4)

We move all terms to the left:

-20-(4(2x+4))=0



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

4(2x+4)

We multiply parentheses

8x+16

Back to the equation:

-(8x+16)



We get rid of parentheses

-8x-16-20=0

We add all the numbers together, and all the variables

-8x-36=0

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

-8x=36

x=36/-8

x=-4+1/2

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