20=2x+-2

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Solution for 20=2x+-2 equation: 



20=2x+-2

We move all terms to the left:

20-(2x+-2)=0

We add all the numbers together, and all the variables

-(2x-2)+20=0

We get rid of parentheses

-2x+2+20=0

We add all the numbers together, and all the variables

-2x+22=0

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

-2x=-22

x=-22/-2

x=+11

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