12(a-3)=-4-8

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Solution for 12(a-3)=-4-8 equation: 



12(a-3)=-4-8

We move all terms to the left:

12(a-3)-(-4-8)=0

We add all the numbers together, and all the variables

12(a-3)-(-12)=0

We add all the numbers together, and all the variables

12(a-3)+12=0

We multiply parentheses

12a-36+12=0

We add all the numbers together, and all the variables

12a-24=0

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

12a=24

a=24/12

a=2

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