2x+12=-2x-4

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Solution for 2x+12=-2x-4 equation: 



2x+12=-2x-4

We move all terms to the left:

2x+12-(-2x-4)=0

We get rid of parentheses

2x+2x+4+12=0

We add all the numbers together, and all the variables

4x+16=0

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

4x=-16

x=-16/4

x=-4

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