12+x=4-2x

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



12+x=4-2x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

x+2x-4+12=0

We add all the numbers together, and all the variables

3x+8=0

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

3x=-8

x=-8/3

x=-2+2/3

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