21/30=x/5

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Solution for 21/30=x/5 equation: 



21/30=x/5

We move all terms to the left:

21/30-(x/5)=0

We add all the numbers together, and all the variables

-(+x/5)+21/30=0

We get rid of parentheses

-x/5+21/30=0

We calculate fractions

There is no solution for this equation

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