9-c=2c

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Solution for 9-c=2c equation:


Simplifying
9 + -1c = 2c

Solving
9 + -1c = 2c

Solving for variable 'c'.

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

Add '-2c' to each side of the equation.
9 + -1c + -2c = 2c + -2c

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

Combine like terms: 2c + -2c = 0
9 + -3c = 0

Add '-9' to each side of the equation.
9 + -9 + -3c = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -3c = 0 + -9
-3c = 0 + -9

Combine like terms: 0 + -9 = -9
-3c = -9

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

Simplifying
c = 3

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