X+(-2+x)=20

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



X+(-2+X)=20

We move all terms to the left:

X+(-2+X)-(20)=0

We add all the numbers together, and all the variables

X+(X-2)-20=0

We get rid of parentheses

X+X-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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