15/21=20/t

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Solution for 15/21=20/t equation: 



15/21=20/t

We move all terms to the left:

15/21-(20/t)=0



Domain of the equation: t)!=0

t!=0/1

t!=0

t∈R



We add all the numbers together, and all the variables

-(+20/t)+15/21=0

We get rid of parentheses

-20/t+15/21=0

We calculate fractions

There is no solution for this equation

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