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-57=w/2
We move all terms to the left:
-57-(w/2)=0
We add all the numbers together, and all the variables
-(+w/2)-57=0
We get rid of parentheses
-w/2-57=0
We multiply all the terms by the denominator
-w-57*2=0
We add all the numbers together, and all the variables
-1w-114=0
We move all terms containing w to the left, all other terms to the right
-w=114
w=114/-1
w=-114
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