15/21=x/20

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Solution for 15/21=x/20 equation: 



15/21=x/20

We move all terms to the left:

15/21-(x/20)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-x/20+15/21=0

We calculate fractions

There is no solution for this equation

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