4/5=3/a

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Solution for 4/5=3/a equation: 



4/5=3/a

We move all terms to the left:

4/5-(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)+4/5=0

We get rid of parentheses

-3/a+4/5=0

We calculate fractions

There is no solution for this equation

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