20=6x+2(-2x+18)

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Solution for 20=6x+2(-2x+18) equation: 



20=6x+2(-2x+18)

We move all terms to the left:

20-(6x+2(-2x+18))=0



We calculate terms in parentheses: -(6x+2(-2x+18)), so:

6x+2(-2x+18)

We multiply parentheses

6x-4x+36

We add all the numbers together, and all the variables

2x+36

Back to the equation:

-(2x+36)



We get rid of parentheses

-2x-36+20=0

We add all the numbers together, and all the variables

-2x-16=0

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

-2x=16

x=16/-2

x=-8

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