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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

9x-(-9(-2x+3)-3x)+27+12=0



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

-9(-2x+3)-3x

We add all the numbers together, and all the variables

-3x-9(-2x+3)

We multiply parentheses

-3x+18x-27

We add all the numbers together, and all the variables

15x-27

Back to the equation:

-(15x-27)



We add all the numbers together, and all the variables

9x-(15x-27)+39=0

We get rid of parentheses

9x-15x+27+39=0

We add all the numbers together, and all the variables

-6x+66=0

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

-6x=-66

x=-66/-6

x=+11

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