-15/21=3n/7

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Solution for -15/21=3n/7 equation: 



-15/21=3n/7

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-3n/7-15/21=0

We calculate fractions

There is no solution for this equation

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