12c-3c+9=3(4+7c)-c

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Solution for 12c-3c+9=3(4+7c)-c equation:


Simplifying
12c + -3c + 9 = 3(4 + 7c) + -1c

Reorder the terms:
9 + 12c + -3c = 3(4 + 7c) + -1c

Combine like terms: 12c + -3c = 9c
9 + 9c = 3(4 + 7c) + -1c
9 + 9c = (4 * 3 + 7c * 3) + -1c
9 + 9c = (12 + 21c) + -1c

Combine like terms: 21c + -1c = 20c
9 + 9c = 12 + 20c

Solving
9 + 9c = 12 + 20c

Solving for variable 'c'.

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

Add '-20c' to each side of the equation.
9 + 9c + -20c = 12 + 20c + -20c

Combine like terms: 9c + -20c = -11c
9 + -11c = 12 + 20c + -20c

Combine like terms: 20c + -20c = 0
9 + -11c = 12 + 0
9 + -11c = 12

Add '-9' to each side of the equation.
9 + -9 + -11c = 12 + -9

Combine like terms: 9 + -9 = 0
0 + -11c = 12 + -9
-11c = 12 + -9

Combine like terms: 12 + -9 = 3
-11c = 3

Divide each side by '-11'.
c = -0.2727272727

Simplifying
c = -0.2727272727

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