9c-18c=21

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Solution for 9c-18c=21 equation: 


Simplifying
9c + -18c = 21

Combine like terms: 9c + -18c = -9c
-9c = 21

Solving
-9c = 21

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Divide each side by '-9'.
c = -2.333333333

Simplifying
c = -2.333333333

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