-3(3+6a)+6(a-3)=69

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Solution for -3(3+6a)+6(a-3)=69 equation: 



-3(3+6a)+6(a-3)=69

We move all terms to the left:

-3(3+6a)+6(a-3)-(69)=0

We add all the numbers together, and all the variables

-3(6a+3)+6(a-3)-69=0

We multiply parentheses

-18a+6a-9-18-69=0

We add all the numbers together, and all the variables

-12a-96=0

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

-12a=96

a=96/-12

a=-8

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