21=1/8n

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Solution for 21=1/8n equation: 



21=1/8n

We move all terms to the left:

21-(1/8n)=0



Domain of the equation: 8n)!=0

n!=0/1

n!=0

n∈R



We add all the numbers together, and all the variables

-(+1/8n)+21=0

We get rid of parentheses

-1/8n+21=0

We multiply all the terms by the denominator


21*8n-1=0

Wy multiply elements

168n-1=0

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

168n=1

n=1/168

n=1/168

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