20=-8x+4(x+4)

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Solution for 20=-8x+4(x+4) equation: 



20=-8x+4(x+4)

We move all terms to the left:

20-(-8x+4(x+4))=0



We calculate terms in parentheses: -(-8x+4(x+4)), so:

-8x+4(x+4)

We multiply parentheses

-8x+4x+16

We add all the numbers together, and all the variables

-4x+16

Back to the equation:

-(-4x+16)



We get rid of parentheses

4x-16+20=0

We add all the numbers together, and all the variables

4x+4=0

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

4x=-4

x=-4/4

x=-1

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