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-7w+2=2(w-1)
We move all terms to the left:
-7w+2-(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)
-7w-2w+2+2=0
We add all the numbers together, and all the variables
-9w+4=0
We move all terms containing w to the left, all other terms to the right
-9w=-4
w=-4/-9
w=4/9
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