X+2(x-7)+(x-7)=71

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Solution for X+2(x-7)+(x-7)=71 equation: 



X+2(X-7)+(X-7)=71

We move all terms to the left:

X+2(X-7)+(X-7)-(71)=0

We multiply parentheses

X+2X+(X-7)-14-71=0

We get rid of parentheses

X+2X+X-7-14-71=0

We add all the numbers together, and all the variables

4X-92=0

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

4X=92

X=92/4

X=23

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