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-4=8+2w
We move all terms to the left:
-4-(8+2w)=0
We add all the numbers together, and all the variables
-(2w+8)-4=0
We get rid of parentheses
-2w-8-4=0
We add all the numbers together, and all the variables
-2w-12=0
We move all terms containing w to the left, all other terms to the right
-2w=12
w=12/-2
w=-6
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