21/40=3/4c

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Solution for 21/40=3/4c equation: 



21/40=3/4c

We move all terms to the left:

21/40-(3/4c)=0



Domain of the equation: 4c)!=0

c!=0/1

c!=0

c∈R



We add all the numbers together, and all the variables

-(+3/4c)+21/40=0

We get rid of parentheses

-3/4c+21/40=0

We calculate fractions

There is no solution for this equation

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