1/7n=4

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Solution for 1/7n=4 equation: 



1/7n=4

We move all terms to the left:

1/7n-(4)=0



Domain of the equation: 7n!=0

n!=0/7

n!=0

n∈R



We multiply all the terms by the denominator


-4*7n+1=0

Wy multiply elements

-28n+1=0

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

-28n=-1

n=-1/-28

n=1/28

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