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

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



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

We move all terms to the left:

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



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

-6(7x-7)+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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