2(-x+21)=2x+2

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Solution for 2(-x+21)=2x+2 equation: 



2(-x+21)=2x+2

We move all terms to the left:

2(-x+21)-(2x+2)=0

We add all the numbers together, and all the variables

2(-1x+21)-(2x+2)=0

We multiply parentheses

-2x-(2x+2)+42=0

We get rid of parentheses

-2x-2x-2+42=0

We add all the numbers together, and all the variables

-4x+40=0

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

-4x=-40

x=-40/-4

x=+10

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