-(-c-12)=-3c-12

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


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

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

Reorder the terms:
12 + 1c = -12 + -3c

Solving
12 + 1c = -12 + -3c

Solving for variable 'c'.

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

Add '3c' to each side of the equation.
12 + 1c + 3c = -12 + -3c + 3c

Combine like terms: 1c + 3c = 4c
12 + 4c = -12 + -3c + 3c

Combine like terms: -3c + 3c = 0
12 + 4c = -12 + 0
12 + 4c = -12

Add '-12' to each side of the equation.
12 + -12 + 4c = -12 + -12

Combine like terms: 12 + -12 = 0
0 + 4c = -12 + -12
4c = -12 + -12

Combine like terms: -12 + -12 = -24
4c = -24

Divide each side by '4'.
c = -6

Simplifying
c = -6

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