2=4/f

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Solution for 2=4/f equation: 



2=4/f

We move all terms to the left:

2-(4/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

-(+4/f)+2=0

We get rid of parentheses

-4/f+2=0

We multiply all the terms by the denominator


2*f-4=0

We add all the numbers together, and all the variables

2f-4=0

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

2f=4

f=4/2

f=2

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