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2(w-4)+3w=7
We move all terms to the left:
2(w-4)+3w-(7)=0
We add all the numbers together, and all the variables
3w+2(w-4)-7=0
We multiply parentheses
3w+2w-8-7=0
We add all the numbers together, and all the variables
5w-15=0
We move all terms containing w to the left, all other terms to the right
5w=15
w=15/5
w=3
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