x+2x+8=-3x-4

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Solution for x+2x+8=-3x-4 equation: 



x+2x+8=-3x-4

We move all terms to the left:

x+2x+8-(-3x-4)=0

We add all the numbers together, and all the variables

3x-(-3x-4)+8=0

We get rid of parentheses

3x+3x+4+8=0

We add all the numbers together, and all the variables

6x+12=0

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

6x=-12

x=-12/6

x=-2

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