x+8=-4x-7

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Solution for x+8=-4x-7 equation: 



x+8=-4x-7

We move all terms to the left:

x+8-(-4x-7)=0

We get rid of parentheses

x+4x+7+8=0

We add all the numbers together, and all the variables

5x+15=0

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

5x=-15

x=-15/5

x=-3

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