d+6+2d=4d

Solution for d+6+2d=4d equation:

Simplifying
d + 6 + 2d = 4d

Reorder the terms:
6 + d + 2d = 4d

Combine like terms: d + 2d = 3d
6 + 3d = 4d

Solving
6 + 3d = 4d

Solving for variable 'd'.

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

Add '-4d' to each side of the equation.
6 + 3d + -4d = 4d + -4d

Combine like terms: 3d + -4d = -1d
6 + -1d = 4d + -4d

Combine like terms: 4d + -4d = 0
6 + -1d = 0

Add '-6' to each side of the equation.
6 + -6 + -1d = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1d = 0 + -6
-1d = 0 + -6

Combine like terms: 0 + -6 = -6
-1d = -6

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

Simplifying
d = 6