3c+12=2c+9

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Solution for 3c+12=2c+9 equation:


Simplifying
3c + 12 = 2c + 9

Reorder the terms:
12 + 3c = 2c + 9

Reorder the terms:
12 + 3c = 9 + 2c

Solving
12 + 3c = 9 + 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.
12 + 3c + -2c = 9 + 2c + -2c

Combine like terms: 3c + -2c = 1c
12 + 1c = 9 + 2c + -2c

Combine like terms: 2c + -2c = 0
12 + 1c = 9 + 0
12 + 1c = 9

Add '-12' to each side of the equation.
12 + -12 + 1c = 9 + -12

Combine like terms: 12 + -12 = 0
0 + 1c = 9 + -12
1c = 9 + -12

Combine like terms: 9 + -12 = -3
1c = -3

Divide each side by '1'.
c = -3

Simplifying
c = -3

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