x+(2x+2)=20

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



x+(2x+2)=20

We move all terms to the left:

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

We get rid of parentheses

x+2x+2-20=0

We add all the numbers together, and all the variables

3x-18=0

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

3x=18

x=18/3

x=6

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