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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

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

We multiply parentheses

42x-6x-42-18

We add all the numbers together, and all the variables

36x-60

Back to the equation:

-(36x-60)



We get rid of parentheses

-36x+60+12=0

We add all the numbers together, and all the variables

-36x+72=0

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

-36x=-72

x=-72/-36

x=+2

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