3/21=1/y

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Solution for 3/21=1/y equation: 



3/21=1/y

We move all terms to the left:

3/21-(1/y)=0



Domain of the equation: y)!=0

y!=0/1

y!=0

y∈R



We add all the numbers together, and all the variables

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

We get rid of parentheses

-1/y+3/21=0

We calculate fractions

There is no solution for this equation

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