4=8/f

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Solution for 4=8/f equation: 



4=8/f

We move all terms to the left:

4-(8/f)=0



Domain of the equation: f)!=0

f!=0/1

f!=0

f∈R



We add all the numbers together, and all the variables

-(+8/f)+4=0

We get rid of parentheses

-8/f+4=0

We multiply all the terms by the denominator


4*f-8=0

We add all the numbers together, and all the variables

4f-8=0

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

4f=8

f=8/4

f=2

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