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3=4/w-1
We move all terms to the left:
3-(4/w-1)=0
Domain of the equation: w-1)!=0We get rid of parentheses
w∈R
-4/w+1+3=0
We multiply all the terms by the denominator
1*w+3*w-4=0
We add all the numbers together, and all the variables
4w-4=0
We move all terms containing w to the left, all other terms to the right
4w=4
w=4/4
w=1
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