3=c/7

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Solution for 3=c/7 equation: 



3=c/7

We move all terms to the left:

3-(c/7)=0

We add all the numbers together, and all the variables

-(+c/7)+3=0

We get rid of parentheses

-c/7+3=0

We multiply all the terms by the denominator


-c+3*7=0

We add all the numbers together, and all the variables

-1c+21=0

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

-c=-21

c=-21/-1

c=+21

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