1/3n=21

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Solution for 1/3n=21 equation: 



1/3n=21

We move all terms to the left:

1/3n-(21)=0



Domain of the equation: 3n!=0

n!=0/3

n!=0

n∈R



We multiply all the terms by the denominator


-21*3n+1=0

Wy multiply elements

-63n+1=0

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

-63n=-1

n=-1/-63

n=1/63

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