12C+C=7C+18

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Solution for 12C+C=7C+18 equation: 


Simplifying
12C + C = 7C + 18

Combine like terms: 12C + C = 13C
13C = 7C + 18

Reorder the terms:
13C = 18 + 7C

Solving
13C = 18 + 7C

Solving for variable 'C'.

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

Add '-7C' to each side of the equation.
13C + -7C = 18 + 7C + -7C

Combine like terms: 13C + -7C = 6C
6C = 18 + 7C + -7C

Combine like terms: 7C + -7C = 0
6C = 18 + 0
6C = 18

Divide each side by '6'.
C = 3

Simplifying
C = 3

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