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7=3/w-7
We move all terms to the left:
7-(3/w-7)=0
Domain of the equation: w-7)!=0We get rid of parentheses
w∈R
-3/w+7+7=0
We multiply all the terms by the denominator
7*w+7*w-3=0
We add all the numbers together, and all the variables
14w-3=0
We move all terms containing w to the left, all other terms to the right
14w=3
w=3/14
w=3/14
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