2x+12=-78-2x

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Solution for 2x+12=-78-2x equation: 



2x+12=-78-2x

We move all terms to the left:

2x+12-(-78-2x)=0

We add all the numbers together, and all the variables

2x-(-2x-78)+12=0

We get rid of parentheses

2x+2x+78+12=0

We add all the numbers together, and all the variables

4x+90=0

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

4x=-90

x=-90/4

x=-22+1/2

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