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18=3-2w
We move all terms to the left:
18-(3-2w)=0
We add all the numbers together, and all the variables
-(-2w+3)+18=0
We get rid of parentheses
2w-3+18=0
We add all the numbers together, and all the variables
2w+15=0
We move all terms containing w to the left, all other terms to the right
2w=-15
w=-15/2
w=-7+1/2
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