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18.5w-2.8w=149.1
We move all terms to the left:
18.5w-2.8w-(149.1)=0
We add all the numbers together, and all the variables
15.7w-149.1=0
We move all terms containing w to the left, all other terms to the right
15.7w=149.1
w=149.1/15.7
w=9+4.3333333333333/8.7222222222222
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