15=3c-9

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Solution for 15=3c-9 equation:


Simplifying
15 = 3c + -9

Reorder the terms:
15 = -9 + 3c

Solving
15 = -9 + 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.
15 + -3c = -9 + 3c + -3c

Combine like terms: 3c + -3c = 0
15 + -3c = -9 + 0
15 + -3c = -9

Add '-15' to each side of the equation.
15 + -15 + -3c = -9 + -15

Combine like terms: 15 + -15 = 0
0 + -3c = -9 + -15
-3c = -9 + -15

Combine like terms: -9 + -15 = -24
-3c = -24

Divide each side by '-3'.
c = 8

Simplifying
c = 8

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