-42-5c=9c

Solution for -42-5c=9c equation:

Simplifying
-42 + -5c = 9c

Solving
-42 + -5c = 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.
-42 + -5c + -9c = 9c + -9c

Combine like terms: -5c + -9c = -14c
-42 + -14c = 9c + -9c

Combine like terms: 9c + -9c = 0
-42 + -14c = 0

Add '42' to each side of the equation.
-42 + 42 + -14c = 0 + 42

Combine like terms: -42 + 42 = 0
0 + -14c = 0 + 42
-14c = 0 + 42

Combine like terms: 0 + 42 = 42
-14c = 42

Divide each side by '-14'.
c = -3

Simplifying
c = -3