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-9w-31=2(w+1)
We move all terms to the left:
-9w-31-(2(w+1))=0
We calculate terms in parentheses: -(2(w+1)), so:We get rid of parentheses
2(w+1)
We multiply parentheses
2w+2
Back to the equation:
-(2w+2)
-9w-2w-2-31=0
We add all the numbers together, and all the variables
-11w-33=0
We move all terms containing w to the left, all other terms to the right
-11w=33
w=33/-11
w=-3
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