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4(w-4)-8w=12
We move all terms to the left:
4(w-4)-8w-(12)=0
We add all the numbers together, and all the variables
-8w+4(w-4)-12=0
We multiply parentheses
-8w+4w-16-12=0
We add all the numbers together, and all the variables
-4w-28=0
We move all terms containing w to the left, all other terms to the right
-4w=28
w=28/-4
w=-7
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