15/7=3y/21

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Solution for 15/7=3y/21 equation: 



15/7=3y/21

We move all terms to the left:

15/7-(3y/21)=0

We add all the numbers together, and all the variables

-(+3y/21)+15/7=0

We get rid of parentheses

-3y/21+15/7=0

We calculate fractions

There is no solution for this equation

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