4/f=20/30

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Solution for 4/f=20/30 equation: 



4/f=20/30

We move all terms to the left:

4/f-(20/30)=0



Domain of the equation: f!=0

f∈R



We add all the numbers together, and all the variables

4/f-(+20/30)=0

We get rid of parentheses

4/f-20/30=0

We calculate fractions

There is no solution for this equation

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