4/7=20/a

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Solution for 4/7=20/a equation: 



4/7=20/a

We move all terms to the left:

4/7-(20/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

-(+20/a)+4/7=0

We get rid of parentheses

-20/a+4/7=0

We calculate fractions

There is no solution for this equation

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