5/15=3/a

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Solution for 5/15=3/a equation: 



5/15=3/a

We move all terms to the left:

5/15-(3/a)=0



Domain of the equation: a)!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(+3/a)+5/15=0

We get rid of parentheses

-3/a+5/15=0

We calculate fractions

There is no solution for this equation

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