4d-6d+6=42

Solution for 4d-6d+6=42 equation:

Simplifying
4d + -6d + 6 = 42

Reorder the terms:
6 + 4d + -6d = 42

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

Solving
6 + -2d = 42

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 + -2d = 42 + -6

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

Combine like terms: 42 + -6 = 36
-2d = 36

Divide each side by '-2'.
d = -18

Simplifying
d = -18