6+9d=3d

Solution for 6+9d=3d equation:

Simplifying
6 + 9d = 3d

Solving
6 + 9d = 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
6 + 9d + -3d = 3d + -3d

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

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

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

Combine like terms: 6 + -6 = 0
0 + 6d = 0 + -6
6d = 0 + -6

Combine like terms: 0 + -6 = -6
6d = -6

Divide each side by '6'.
d = -1

Simplifying
d = -1