6+7c=9c

Solution for 6+7c=9c equation:

Simplifying
6 + 7c = 9c

Solving
6 + 7c = 9c

Solving for variable 'c'.

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

Add '-9c' to each side of the equation.
6 + 7c + -9c = 9c + -9c

Combine like terms: 7c + -9c = -2c
6 + -2c = 9c + -9c

Combine like terms: 9c + -9c = 0
6 + -2c = 0

Add '-6' to each side of the equation.
6 + -6 + -2c = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -2c = 0 + -6
-2c = 0 + -6

Combine like terms: 0 + -6 = -6
-2c = -6

Divide each side by '-2'.
c = 3

Simplifying
c = 3