3+9c=12c

Solution for 3+9c=12c equation:

Simplifying
3 + 9c = 12c

Solving
3 + 9c = 12c

Solving for variable 'c'.

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

Add '-12c' to each side of the equation.
3 + 9c + -12c = 12c + -12c

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

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

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

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

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

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

Simplifying
c = 1