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-5(w+8)=-2w-31
We move all terms to the left:
-5(w+8)-(-2w-31)=0
We multiply parentheses
-5w-(-2w-31)-40=0
We get rid of parentheses
-5w+2w+31-40=0
We add all the numbers together, and all the variables
-3w-9=0
We move all terms containing w to the left, all other terms to the right
-3w=9
w=9/-3
w=-3
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