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-12=6-2w
We move all terms to the left:
-12-(6-2w)=0
We add all the numbers together, and all the variables
-(-2w+6)-12=0
We get rid of parentheses
2w-6-12=0
We add all the numbers together, and all the variables
2w-18=0
We move all terms containing w to the left, all other terms to the right
2w=18
w=18/2
w=9
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