-3(c-12)-15=0

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Solution for -3(c-12)-15=0 equation:


Simplifying
-3(c + -12) + -15 = 0

Reorder the terms:
-3(-12 + c) + -15 = 0
(-12 * -3 + c * -3) + -15 = 0
(36 + -3c) + -15 = 0

Reorder the terms:
36 + -15 + -3c = 0

Combine like terms: 36 + -15 = 21
21 + -3c = 0

Solving
21 + -3c = 0

Solving for variable 'c'.

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

Add '-21' to each side of the equation.
21 + -21 + -3c = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -3c = 0 + -21
-3c = 0 + -21

Combine like terms: 0 + -21 = -21
-3c = -21

Divide each side by '-3'.
c = 7

Simplifying
c = 7

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