3x=6+-9x-12

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Solution for 3x=6+-9x-12 equation: 



3x=6+-9x-12

We move all terms to the left:

3x-(6+-9x-12)=0

We add all the numbers together, and all the variables

3x-(-9x-6)=0

We get rid of parentheses

3x+9x+6=0

We add all the numbers together, and all the variables

12x+6=0

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

12x=-6

x=-6/12

x=-1/2

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