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-3(w+8)=-9w-12
We move all terms to the left:
-3(w+8)-(-9w-12)=0
We multiply parentheses
-3w-(-9w-12)-24=0
We get rid of parentheses
-3w+9w+12-24=0
We add all the numbers together, and all the variables
6w-12=0
We move all terms containing w to the left, all other terms to the right
6w=12
w=12/6
w=2
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