-42=-3d

Solution for -42=-3d equation:

Simplifying
-42 = -3d

Solving
-42 = -3d

Solving for variable 'd'.

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

Add '3d' to each side of the equation.
-42 + 3d = -3d + 3d

Combine like terms: -3d + 3d = 0
-42 + 3d = 0

Add '42' to each side of the equation.
-42 + 42 + 3d = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 3d = 0 + 42
3d = 0 + 42

Combine like terms: 0 + 42 = 42
3d = 42

Divide each side by '3'.
d = 14

Simplifying
d = 14