4/f-2=2

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Solution for 4/f-2=2 equation: 



4/f-2=2

We move all terms to the left:

4/f-2-(2)=0



Domain of the equation: f!=0

f∈R



We add all the numbers together, and all the variables

4/f-4=0

We multiply all the terms by the denominator


-4*f+4=0

We add all the numbers together, and all the variables

-4f+4=0

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

-4f=-4

f=-4/-4

f=1

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