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-28=-8+4w
We move all terms to the left:
-28-(-8+4w)=0
We add all the numbers together, and all the variables
-(4w-8)-28=0
We get rid of parentheses
-4w+8-28=0
We add all the numbers together, and all the variables
-4w-20=0
We move all terms containing w to the left, all other terms to the right
-4w=20
w=20/-4
w=-5
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