-8/3n+21=1/3n

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Solution for -8/3n+21=1/3n equation: 



-8/3n+21=1/3n

We move all terms to the left:

-8/3n+21-(1/3n)=0



Domain of the equation: 3n!=0

n!=0/3

n!=0

n∈R





Domain of the equation: 3n)!=0

n!=0/1

n!=0

n∈R



We add all the numbers together, and all the variables

-8/3n-(+1/3n)+21=0

We get rid of parentheses

-8/3n-1/3n+21=0

We multiply all the terms by the denominator


21*3n-8-1=0

We add all the numbers together, and all the variables

21*3n-9=0

Wy multiply elements

63n-9=0

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

63n=9

n=9/63

n=1/7

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