X+7=2x-40

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Solution for X+7=2x-40 equation: 



X+7=2X-40

We move all terms to the left:

X+7-(2X-40)=0

We get rid of parentheses

X-2X+40+7=0

We add all the numbers together, and all the variables

-1X+47=0

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

-X=-47

X=-47/-1

X=+47

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