9=21-c/9

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Solution for 9=21-c/9 equation:


9=21-c/9

We simplify the equation to the form, which is simple to understand 
9=21-c/9

Simplifying:
9=21-0.111111111111c

We move all terms containing c to the left and all other terms to the right. 
 + 0.111111111111c=+21-9

We simplify left and right side of the equation. 
 + 0.111111111111c=+12

We divide both sides of the equation by 00.111111111111 to get c. 
c=108

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