4d+d+4d+6-2d=0

Solution for 4d+d+4d+6-2d=0 equation:

Simplifying
4d + d + 4d + 6 + -2d = 0

Reorder the terms:
6 + 4d + d + 4d + -2d = 0

Combine like terms: 4d + d = 5d
6 + 5d + 4d + -2d = 0

Combine like terms: 5d + 4d = 9d
6 + 9d + -2d = 0

Combine like terms: 9d + -2d = 7d
6 + 7d = 0

Solving
6 + 7d = 0

Solving for variable 'd'.

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

Add '-6' to each side of the equation.
6 + -6 + 7d = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 7d = 0 + -6
7d = 0 + -6

Combine like terms: 0 + -6 = -6
7d = -6

Divide each side by '7'.
d = -0.8571428571

Simplifying
d = -0.8571428571