7c-72=-2c

Solution for 7c-72=-2c equation:

Simplifying
7c + -72 = -2c

Reorder the terms:
-72 + 7c = -2c

Solving
-72 + 7c = -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.
-72 + 7c + 2c = -2c + 2c

Combine like terms: 7c + 2c = 9c
-72 + 9c = -2c + 2c

Combine like terms: -2c + 2c = 0
-72 + 9c = 0

Add '72' to each side of the equation.
-72 + 72 + 9c = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 9c = 0 + 72
9c = 0 + 72

Combine like terms: 0 + 72 = 72
9c = 72

Divide each side by '9'.
c = 8

Simplifying
c = 8