12-9c+3=6c-20

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Solution for 12-9c+3=6c-20 equation:


Simplifying
12 + -9c + 3 = 6c + -20

Reorder the terms:
12 + 3 + -9c = 6c + -20

Combine like terms: 12 + 3 = 15
15 + -9c = 6c + -20

Reorder the terms:
15 + -9c = -20 + 6c

Solving
15 + -9c = -20 + 6c

Solving for variable 'c'.

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

Add '-6c' to each side of the equation.
15 + -9c + -6c = -20 + 6c + -6c

Combine like terms: -9c + -6c = -15c
15 + -15c = -20 + 6c + -6c

Combine like terms: 6c + -6c = 0
15 + -15c = -20 + 0
15 + -15c = -20

Add '-15' to each side of the equation.
15 + -15 + -15c = -20 + -15

Combine like terms: 15 + -15 = 0
0 + -15c = -20 + -15
-15c = -20 + -15

Combine like terms: -20 + -15 = -35
-15c = -35

Divide each side by '-15'.
c = 2.333333333

Simplifying
c = 2.333333333

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