12=c/21

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Solution for 12=c/21 equation: 



12=c/21

We move all terms to the left:

12-(c/21)=0

We add all the numbers together, and all the variables

-(+c/21)+12=0

We get rid of parentheses

-c/21+12=0

We multiply all the terms by the denominator


-c+12*21=0

We add all the numbers together, and all the variables

-1c+252=0

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

-c=-252

c=-252/-1

c=+252

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