-1/7f=-4

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Solution for -1/7f=-4 equation: 



-1/7f=-4

We move all terms to the left:

-1/7f-(-4)=0



Domain of the equation: 7f!=0

f!=0/7

f!=0

f∈R



We add all the numbers together, and all the variables

-1/7f+4=0

We multiply all the terms by the denominator


4*7f-1=0

Wy multiply elements

28f-1=0

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

28f=1

f=1/28

f=1/28

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