12-x+2-3x=21+6x

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Solution for 12-x+2-3x=21+6x equation: 



12-x+2-3x=21+6x

We move all terms to the left:

12-x+2-3x-(21+6x)=0

We add all the numbers together, and all the variables

-x-3x-(6x+21)+12+2=0

We add all the numbers together, and all the variables

-4x-(6x+21)+14=0

We get rid of parentheses

-4x-6x-21+14=0

We add all the numbers together, and all the variables

-10x-7=0

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

-10x=7

x=7/-10

x=-7/10

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