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12+3w=3(2+4)
We move all terms to the left:
12+3w-(3(2+4))=0
We add all the numbers together, and all the variables
3w+12-(36)=0
We add all the numbers together, and all the variables
3w-24=0
We move all terms containing w to the left, all other terms to the right
3w=24
w=24/3
w=8
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