20=2(x+8)-4x

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Solution for 20=2(x+8)-4x equation: 



20=2(x+8)-4x

We move all terms to the left:

20-(2(x+8)-4x)=0



We calculate terms in parentheses: -(2(x+8)-4x), so:

2(x+8)-4x

We add all the numbers together, and all the variables

-4x+2(x+8)

We multiply parentheses

-4x+2x+16

We add all the numbers together, and all the variables

-2x+16

Back to the equation:

-(-2x+16)



We get rid of parentheses

2x-16+20=0

We add all the numbers together, and all the variables

2x+4=0

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

2x=-4

x=-4/2

x=-2

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