6=0.3d-12

Solution for 6=0.3d-12 equation:

Simplifying
6 = 0.3d + -12

Reorder the terms:
6 = -12 + 0.3d

Solving
6 = -12 + 0.3d

Solving for variable 'd'.

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

Add '-0.3d' to each side of the equation.
6 + -0.3d = -12 + 0.3d + -0.3d

Combine like terms: 0.3d + -0.3d = 0.0
6 + -0.3d = -12 + 0.0
6 + -0.3d = -12

Add '-6' to each side of the equation.
6 + -6 + -0.3d = -12 + -6

Combine like terms: 6 + -6 = 0
0 + -0.3d = -12 + -6
-0.3d = -12 + -6

Combine like terms: -12 + -6 = -18
-0.3d = -18

Divide each side by '-0.3'.
d = 60

Simplifying
d = 60