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-18=7w+8-10w
We move all terms to the left:
-18-(7w+8-10w)=0
We add all the numbers together, and all the variables
-(-3w+8)-18=0
We get rid of parentheses
3w-8-18=0
We add all the numbers together, and all the variables
3w-26=0
We move all terms containing w to the left, all other terms to the right
3w=26
w=26/3
w=8+2/3
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