3.1=72/f

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Solution for 3.1=72/f equation: 



3.1=72/f

We move all terms to the left:

3.1-(72/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

-(+72/f)+3.1=0

We get rid of parentheses

-72/f+3.1=0

We multiply all the terms by the denominator


(3.1)*f-72=0

We multiply parentheses

3.1f-72=0

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

3.1f=72

f=72/3.1

f=23+0.7/3.1

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