2x+8=-1x-7

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Solution for 2x+8=-1x-7 equation: 



2x+8=-1x-7

We move all terms to the left:

2x+8-(-1x-7)=0

We get rid of parentheses

2x+1x+7+8=0

We add all the numbers together, and all the variables

3x+15=0

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

3x=-15

x=-15/3

x=-5

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