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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-12x-(-9(7x+1))+144=0



We calculate terms in parentheses: -(-9(7x+1)), so:

-9(7x+1)

We multiply parentheses

-63x-9

Back to the equation:

-(-63x-9)



We get rid of parentheses

-12x+63x+9+144=0

We add all the numbers together, and all the variables

51x+153=0

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

51x=-153

x=-153/51

x=-3

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