12-4x=(3-2x)+9

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Solution for 12-4x=(3-2x)+9 equation: 



12-4x=(3-2x)+9

We move all terms to the left:

12-4x-((3-2x)+9)=0

We add all the numbers together, and all the variables

-4x-((-2x+3)+9)+12=0



We calculate terms in parentheses: -((-2x+3)+9), so:

(-2x+3)+9

We get rid of parentheses

-2x+3+9

We add all the numbers together, and all the variables

-2x+12

Back to the equation:

-(-2x+12)



We get rid of parentheses

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

We add all the numbers together, and all the variables

-2x=0

x=0/-2

x=0

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