12x=3(x-9)

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



12x=3(x-9)

We move all terms to the left:

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



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

3(x-9)

We multiply parentheses

3x-27

Back to the equation:

-(3x-27)



We get rid of parentheses

12x-3x+27=0

We add all the numbers together, and all the variables

9x+27=0

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

9x=-27

x=-27/9

x=-3

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