Simplifying
5c + -6d + 4c + 3d = 0
Reorder the terms:
5c + 4c + -6d + 3d = 0
Combine like terms: 5c + 4c = 9c
9c + -6d + 3d = 0
Combine like terms: -6d + 3d = -3d
9c + -3d = 0
Solving
9c + -3d = 0
Solving for variable 'c'.
Move all terms containing c to the left, all other terms to the right.
Add '3d' to each side of the equation.
9c + -3d + 3d = 0 + 3d
Combine like terms: -3d + 3d = 0
9c + 0 = 0 + 3d
9c = 0 + 3d
Remove the zero:
9c = 3d
Your answer: 9c=3d