21/3=21/10c

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Solution for 21/3=21/10c equation: 



21/3=21/10c

We move all terms to the left:

21/3-(21/10c)=0



Domain of the equation: 10c)!=0

c!=0/1

c!=0

c∈R



We add all the numbers together, and all the variables

-(+21/10c)+21/3=0

We add all the numbers together, and all the variables

-(+21/10c)+7=0

We get rid of parentheses

-21/10c+7=0

We multiply all the terms by the denominator


7*10c-21=0

Wy multiply elements

70c-21=0

We move all terms containing c to the left, all other terms to the right

70c=21

c=21/70

c=3/10

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