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2w+126=-4(w-3)
We move all terms to the left:
2w+126-(-4(w-3))=0
We calculate terms in parentheses: -(-4(w-3)), so:We get rid of parentheses
-4(w-3)
We multiply parentheses
-4w+12
Back to the equation:
-(-4w+12)
2w+4w-12+126=0
We add all the numbers together, and all the variables
6w+114=0
We move all terms containing w to the left, all other terms to the right
6w=-114
w=-114/6
w=-19
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