2c+20=12c-9

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Solution for 2c+20=12c-9 equation:


Simplifying
2c + 20 = 12c + -9

Reorder the terms:
20 + 2c = 12c + -9

Reorder the terms:
20 + 2c = -9 + 12c

Solving
20 + 2c = -9 + 12c

Solving for variable 'c'.

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

Add '-12c' to each side of the equation.
20 + 2c + -12c = -9 + 12c + -12c

Combine like terms: 2c + -12c = -10c
20 + -10c = -9 + 12c + -12c

Combine like terms: 12c + -12c = 0
20 + -10c = -9 + 0
20 + -10c = -9

Add '-20' to each side of the equation.
20 + -20 + -10c = -9 + -20

Combine like terms: 20 + -20 = 0
0 + -10c = -9 + -20
-10c = -9 + -20

Combine like terms: -9 + -20 = -29
-10c = -29

Divide each side by '-10'.
c = 2.9

Simplifying
c = 2.9

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