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7(w+7)=-4w-39
We move all terms to the left:
7(w+7)-(-4w-39)=0
We multiply parentheses
7w-(-4w-39)+49=0
We get rid of parentheses
7w+4w+39+49=0
We add all the numbers together, and all the variables
11w+88=0
We move all terms containing w to the left, all other terms to the right
11w=-88
w=-88/11
w=-8
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