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39/f-1=3
We move all terms to the left:
39/f-1-(3)=0
Domain of the equation: f!=0We add all the numbers together, and all the variables
f∈R
39/f-4=0
We multiply all the terms by the denominator
-4*f+39=0
We add all the numbers together, and all the variables
-4f+39=0
We move all terms containing f to the left, all other terms to the right
-4f=-39
f=-39/-4
f=9+3/4
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