7+2x=x-7

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



7+2x=x-7

We move all terms to the left:

7+2x-(x-7)=0

We get rid of parentheses

2x-x+7+7=0

We add all the numbers together, and all the variables

x+14=0

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

x=-14

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