C-D=2D-(C+9)

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Solution for C-D=2D-(C+9) equation:


Simplifying
C + -1D = 2D + -1(C + 9)

Reorder the terms:
C + -1D = 2D + -1(9 + C)
C + -1D = 2D + (9 * -1 + C * -1)
C + -1D = 2D + (-9 + -1C)

Reorder the terms:
C + -1D = -9 + -1C + 2D

Solving
C + -1D = -9 + -1C + 2D

Solving for variable 'C'.

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

Add 'C' to each side of the equation.
C + C + -1D = -9 + -1C + C + 2D

Combine like terms: C + C = 2C
2C + -1D = -9 + -1C + C + 2D

Combine like terms: -1C + C = 0
2C + -1D = -9 + 0 + 2D
2C + -1D = -9 + 2D

Add 'D' to each side of the equation.
2C + -1D + D = -9 + 2D + D

Combine like terms: -1D + D = 0
2C + 0 = -9 + 2D + D
2C = -9 + 2D + D

Combine like terms: 2D + D = 3D
2C = -9 + 3D

Divide each side by '2'.
C = -4.5 + 1.5D

Simplifying
C = -4.5 + 1.5D

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