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2(3w+w)=30
We move all terms to the left:
2(3w+w)-(30)=0
We add all the numbers together, and all the variables
2(+4w)-30=0
We multiply parentheses
8w-30=0
We move all terms containing w to the left, all other terms to the right
8w=30
w=30/8
w=3+3/4
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