-20=4(x+2)

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



-20=4(x+2)

We move all terms to the left:

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



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

4(x+2)

We multiply parentheses

4x+8

Back to the equation:

-(4x+8)



We get rid of parentheses

-4x-8-20=0

We add all the numbers together, and all the variables

-4x-28=0

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

-4x=28

x=28/-4

x=-7

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