1/21=28/c

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Solution for 1/21=28/c equation: 



1/21=28/c

We move all terms to the left:

1/21-(28/c)=0



Domain of the equation: c)!=0

c!=0/1

c!=0

c∈R



We add all the numbers together, and all the variables

-(+28/c)+1/21=0

We get rid of parentheses

-28/c+1/21=0

We calculate fractions

There is no solution for this equation

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