-12(a-12)+63a=-9

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Solution for -12(a-12)+63a=-9 equation: 



-12(a-12)+63a=-9

We move all terms to the left:

-12(a-12)+63a-(-9)=0

We add all the numbers together, and all the variables

63a-12(a-12)+9=0

We multiply parentheses

63a-12a+144+9=0

We add all the numbers together, and all the variables

51a+153=0

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

51a=-153

a=-153/51

a=-3

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