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6/f+71=81
We move all terms to the left:
6/f+71-(81)=0
Domain of the equation: f!=0We add all the numbers together, and all the variables
f∈R
6/f-10=0
We multiply all the terms by the denominator
-10*f+6=0
We add all the numbers together, and all the variables
-10f+6=0
We move all terms containing f to the left, all other terms to the right
-10f=-6
f=-6/-10
f=3/5
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