5/7f=15

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Solution for 5/7f=15 equation: 



5/7f=15

We move all terms to the left:

5/7f-(15)=0



Domain of the equation: 7f!=0

f!=0/7

f!=0

f∈R



We multiply all the terms by the denominator


-15*7f+5=0

Wy multiply elements

-105f+5=0

We move all terms containing f to the left, all other terms to the right

-105f=-5

f=-5/-105

f=1/21

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