12+x=-4+3x

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Solution for 12+x=-4+3x equation: 



12+x=-4+3x

We move all terms to the left:

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

We add all the numbers together, and all the variables

x-(3x-4)+12=0

We get rid of parentheses

x-3x+4+12=0

We add all the numbers together, and all the variables

-2x+16=0

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

-2x=-16

x=-16/-2

x=+8

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