12x+9-2=-2(x-15)+6x+9

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Solution for 12x+9-2=-2(x-15)+6x+9 equation: 



12x+9-2=-2(x-15)+6x+9

We move all terms to the left:

12x+9-2-(-2(x-15)+6x+9)=0

We add all the numbers together, and all the variables

12x-(-2(x-15)+6x+9)+7=0



We calculate terms in parentheses: -(-2(x-15)+6x+9), so:

-2(x-15)+6x+9

We add all the numbers together, and all the variables

6x-2(x-15)+9

We multiply parentheses

6x-2x+30+9

We add all the numbers together, and all the variables

4x+39

Back to the equation:

-(4x+39)



We get rid of parentheses

12x-4x-39+7=0

We add all the numbers together, and all the variables

8x-32=0

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

8x=32

x=32/8

x=4

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