2+7x=-2x-7

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



2+7x=-2x-7

We move all terms to the left:

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

We get rid of parentheses

7x+2x+7+2=0

We add all the numbers together, and all the variables

9x+9=0

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

9x=-9

x=-9/9

x=-1

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