12-x+3x=6+x

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Solution for 12-x+3x=6+x equation: 



12-x+3x=6+x

We move all terms to the left:

12-x+3x-(6+x)=0

We add all the numbers together, and all the variables

-x+3x-(x+6)+12=0

We add all the numbers together, and all the variables

2x-(x+6)+12=0

We get rid of parentheses

2x-x-6+12=0

We add all the numbers together, and all the variables

x+6=0

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

x=-6

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