21/r=6/8

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Solution for 21/r=6/8 equation: 



21/r=6/8

We move all terms to the left:

21/r-(6/8)=0



Domain of the equation: r!=0

r∈R



We add all the numbers together, and all the variables

21/r-(+6/8)=0

We get rid of parentheses

21/r-6/8=0

We calculate fractions

There is no solution for this equation

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