7c-21d+cx-3dx=

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Solution for 7c-21d+cx-3dx= equation:


Simplifying
7c + -21d + cx + -3dx = 0

Reorder the terms:
7c + cx + -21d + -3dx = 0

Solving
7c + cx + -21d + -3dx = 0

Solving for variable 'c'.

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

Add '21d' to each side of the equation.
7c + cx + -21d + 21d + -3dx = 0 + 21d

Combine like terms: -21d + 21d = 0
7c + cx + 0 + -3dx = 0 + 21d
7c + cx + -3dx = 0 + 21d
Remove the zero:
7c + cx + -3dx = 21d

Add '3dx' to each side of the equation.
7c + cx + -3dx + 3dx = 21d + 3dx

Combine like terms: -3dx + 3dx = 0
7c + cx + 0 = 21d + 3dx
7c + cx = 21d + 3dx

Reorder the terms:
7c + cx + -21d + -3dx = 21d + -21d + 3dx + -3dx

Combine like terms: 21d + -21d = 0
7c + cx + -21d + -3dx = 0 + 3dx + -3dx
7c + cx + -21d + -3dx = 3dx + -3dx

Combine like terms: 3dx + -3dx = 0
7c + cx + -21d + -3dx = 0

The solution to this equation could not be determined.

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