12c+9=39-3c

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Solution for 12c+9=39-3c equation:


Simplifying
12c + 9 = 39 + -3c

Reorder the terms:
9 + 12c = 39 + -3c

Solving
9 + 12c = 39 + -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.
9 + 12c + 3c = 39 + -3c + 3c

Combine like terms: 12c + 3c = 15c
9 + 15c = 39 + -3c + 3c

Combine like terms: -3c + 3c = 0
9 + 15c = 39 + 0
9 + 15c = 39

Add '-9' to each side of the equation.
9 + -9 + 15c = 39 + -9

Combine like terms: 9 + -9 = 0
0 + 15c = 39 + -9
15c = 39 + -9

Combine like terms: 39 + -9 = 30
15c = 30

Divide each side by '15'.
c = 2

Simplifying
c = 2

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