21=1/3s

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Solution for 21=1/3s equation: 



21=1/3s

We move all terms to the left:

21-(1/3s)=0



Domain of the equation: 3s)!=0

s!=0/1

s!=0

s∈R



We add all the numbers together, and all the variables

-(+1/3s)+21=0

We get rid of parentheses

-1/3s+21=0

We multiply all the terms by the denominator


21*3s-1=0

Wy multiply elements

63s-1=0

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

63s=1

s=1/63

s=1/63

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