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9/10=10/f
We move all terms to the left:
9/10-(10/f)=0
Domain of the equation: f)!=0We add all the numbers together, and all the variables
f!=0/1
f!=0
f∈R
-(+10/f)+9/10=0
We get rid of parentheses
-10/f+9/10=0
We calculate fractions
There is no solution for this equation
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