-c-2c=9

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Solution for -c-2c=9 equation: 


Simplifying
-1c + -2c = 9

Combine like terms: -1c + -2c = -3c
-3c = 9

Solving
-3c = 9

Solving for variable 'c'.

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

Divide each side by '-3'.
c = -3

Simplifying
c = -3

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