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-7w-11=-2(w-7)
We move all terms to the left:
-7w-11-(-2(w-7))=0
We calculate terms in parentheses: -(-2(w-7)), so:We get rid of parentheses
-2(w-7)
We multiply parentheses
-2w+14
Back to the equation:
-(-2w+14)
-7w+2w-14-11=0
We add all the numbers together, and all the variables
-5w-25=0
We move all terms containing w to the left, all other terms to the right
-5w=25
w=25/-5
w=-5
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