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-2-2w=7w-8
We move all terms to the left:
-2-2w-(7w-8)=0
We get rid of parentheses
-2w-7w+8-2=0
We add all the numbers together, and all the variables
-9w+6=0
We move all terms containing w to the left, all other terms to the right
-9w=-6
w=-6/-9
w=2/3
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