-6(3a+9)=-180

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Solution for -6(3a+9)=-180 equation: 



-6(3a+9)=-180

We move all terms to the left:

-6(3a+9)-(-180)=0

We add all the numbers together, and all the variables

-6(3a+9)+180=0

We multiply parentheses

-18a-54+180=0

We add all the numbers together, and all the variables

-18a+126=0

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

-18a=-126

a=-126/-18

a=+7

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