12=9(3x+6)-6(7x-3)

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Solution for 12=9(3x+6)-6(7x-3) equation: 



12=9(3x+6)-6(7x-3)

We move all terms to the left:

12-(9(3x+6)-6(7x-3))=0



We calculate terms in parentheses: -(9(3x+6)-6(7x-3)), so:

9(3x+6)-6(7x-3)

We multiply parentheses

27x-42x+54+18

We add all the numbers together, and all the variables

-15x+72

Back to the equation:

-(-15x+72)



We get rid of parentheses

15x-72+12=0

We add all the numbers together, and all the variables

15x-60=0

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

15x=60

x=60/15

x=4

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