78=2c+c+12

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Solution for 78=2c+c+12 equation:


Simplifying
78 = 2c + c + 12

Reorder the terms:
78 = 12 + 2c + c

Combine like terms: 2c + c = 3c
78 = 12 + 3c

Solving
78 = 12 + 3c

Solving for variable 'c'.

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

Add '-3c' to each side of the equation.
78 + -3c = 12 + 3c + -3c

Combine like terms: 3c + -3c = 0
78 + -3c = 12 + 0
78 + -3c = 12

Add '-78' to each side of the equation.
78 + -78 + -3c = 12 + -78

Combine like terms: 78 + -78 = 0
0 + -3c = 12 + -78
-3c = 12 + -78

Combine like terms: 12 + -78 = -66
-3c = -66

Divide each side by '-3'.
c = 22

Simplifying
c = 22

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