-3(-c-12)=c

Solution for -3(-c-12)=c equation:

Simplifying
-3(-1c + -12) = c

Reorder the terms:
-3(-12 + -1c) = c
(-12 * -3 + -1c * -3) = c
(36 + 3c) = c

Solving
36 + 3c = c

Solving for variable 'c'.

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

Add '-1c' to each side of the equation.
36 + 3c + -1c = c + -1c

Combine like terms: 3c + -1c = 2c
36 + 2c = c + -1c

Combine like terms: c + -1c = 0
36 + 2c = 0

Add '-36' to each side of the equation.
36 + -36 + 2c = 0 + -36

Combine like terms: 36 + -36 = 0
0 + 2c = 0 + -36
2c = 0 + -36

Combine like terms: 0 + -36 = -36
2c = -36

Divide each side by '2'.
c = -18

Simplifying
c = -18