2x+20=-x-7

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Solution for 2x+20=-x-7 equation: 



2x+20=-x-7

We move all terms to the left:

2x+20-(-x-7)=0

We add all the numbers together, and all the variables

2x-(-1x-7)+20=0

We get rid of parentheses

2x+1x+7+20=0

We add all the numbers together, and all the variables

3x+27=0

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

3x=-27

x=-27/3

x=-9

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