42-4d=2d

Solution for 42-4d=2d equation:

Simplifying
42 + -4d = 2d

Solving
42 + -4d = 2d

Solving for variable 'd'.

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

Add '-2d' to each side of the equation.
42 + -4d + -2d = 2d + -2d

Combine like terms: -4d + -2d = -6d
42 + -6d = 2d + -2d

Combine like terms: 2d + -2d = 0
42 + -6d = 0

Add '-42' to each side of the equation.
42 + -42 + -6d = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -6d = 0 + -42
-6d = 0 + -42

Combine like terms: 0 + -42 = -42
-6d = -42

Divide each side by '-6'.
d = 7

Simplifying
d = 7