42+12d=5d

Solution for 42+12d=5d equation:

Simplifying
42 + 12d = 5d

Solving
42 + 12d = 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
42 + 12d + -5d = 5d + -5d

Combine like terms: 12d + -5d = 7d
42 + 7d = 5d + -5d

Combine like terms: 5d + -5d = 0
42 + 7d = 0

Add '-42' to each side of the equation.
42 + -42 + 7d = 0 + -42

Combine like terms: 42 + -42 = 0
0 + 7d = 0 + -42
7d = 0 + -42

Combine like terms: 0 + -42 = -42
7d = -42

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

Simplifying
d = -6