7x+4=-2x-8

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Solution for 7x+4=-2x-8 equation: 



7x+4=-2x-8

We move all terms to the left:

7x+4-(-2x-8)=0

We get rid of parentheses

7x+2x+8+4=0

We add all the numbers together, and all the variables

9x+12=0

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

9x=-12

x=-12/9

x=-1+1/3

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