-12(-3-12)=-9(1+7x-3)

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Solution for -12(-3-12)=-9(1+7x-3) equation: 



-12(-3-12)=-9(1+7x-3)

We move all terms to the left:

-12(-3-12)-(-9(1+7x-3))=0

We add all the numbers together, and all the variables

-(-9(7x-2))-12(-15)=0

We add all the numbers together, and all the variables

-(-9(7x-2))+180=0



We calculate terms in parentheses: -(-9(7x-2)), so:

-9(7x-2)

We multiply parentheses

-63x+18

Back to the equation:

-(-63x+18)



We get rid of parentheses

63x-18+180=0

We add all the numbers together, and all the variables

63x+162=0

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

63x=-162

x=-162/63

x=-2+4/7

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