12c+9=8c+1-(2c-11)

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Solution for 12c+9=8c+1-(2c-11) equation:


Simplifying
12c + 9 = 8c + 1 + -1(2c + -11)

Reorder the terms:
9 + 12c = 8c + 1 + -1(2c + -11)

Reorder the terms:
9 + 12c = 8c + 1 + -1(-11 + 2c)
9 + 12c = 8c + 1 + (-11 * -1 + 2c * -1)
9 + 12c = 8c + 1 + (11 + -2c)

Reorder the terms:
9 + 12c = 1 + 11 + 8c + -2c

Combine like terms: 1 + 11 = 12
9 + 12c = 12 + 8c + -2c

Combine like terms: 8c + -2c = 6c
9 + 12c = 12 + 6c

Solving
9 + 12c = 12 + 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.
9 + 12c + -6c = 12 + 6c + -6c

Combine like terms: 12c + -6c = 6c
9 + 6c = 12 + 6c + -6c

Combine like terms: 6c + -6c = 0
9 + 6c = 12 + 0
9 + 6c = 12

Add '-9' to each side of the equation.
9 + -9 + 6c = 12 + -9

Combine like terms: 9 + -9 = 0
0 + 6c = 12 + -9
6c = 12 + -9

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

Divide each side by '6'.
c = 0.5

Simplifying
c = 0.5

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