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-3(w+6)=-45
We move all terms to the left:
-3(w+6)-(-45)=0
We add all the numbers together, and all the variables
-3(w+6)+45=0
We multiply parentheses
-3w-18+45=0
We add all the numbers together, and all the variables
-3w+27=0
We move all terms containing w to the left, all other terms to the right
-3w=-27
w=-27/-3
w=+9
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