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

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



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

We move all terms to the left:

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

We multiply parentheses

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



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

9(7a+1)

We multiply parentheses

63a+9

Back to the equation:

-(63a+9)



We get rid of parentheses

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

We add all the numbers together, and all the variables

-75a+135=0

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

-75a=-135

a=-135/-75

a=1+4/5

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