4c+d+2d-c=9c

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Solution for 4c+d+2d-c=9c equation:


Simplifying
4c + d + 2d + -1c = 9c

Reorder the terms:
4c + -1c + d + 2d = 9c

Combine like terms: 4c + -1c = 3c
3c + d + 2d = 9c

Combine like terms: d + 2d = 3d
3c + 3d = 9c

Solving
3c + 3d = 9c

Solving for variable 'c'.

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

Add '-9c' to each side of the equation.
3c + -9c + 3d = 9c + -9c

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

Combine like terms: 9c + -9c = 0
-6c + 3d = 0

Add '-3d' to each side of the equation.
-6c + 3d + -3d = 0 + -3d

Combine like terms: 3d + -3d = 0
-6c + 0 = 0 + -3d
-6c = 0 + -3d
Remove the zero:
-6c = -3d

Divide each side by '-6'.
c = 0.5d

Simplifying
c = 0.5d

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