1.2d-3.6+0.3d=2.4

Solution for 1.2d-3.6+0.3d=2.4 equation:

Simplifying
1.2d + -3.6 + 0.3d = 2.4

Reorder the terms:
-3.6 + 1.2d + 0.3d = 2.4

Combine like terms: 1.2d + 0.3d = 1.5d
-3.6 + 1.5d = 2.4

Solving
-3.6 + 1.5d = 2.4

Solving for variable 'd'.

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

Add '3.6' to each side of the equation.
-3.6 + 3.6 + 1.5d = 2.4 + 3.6

Combine like terms: -3.6 + 3.6 = 0.0
0.0 + 1.5d = 2.4 + 3.6
1.5d = 2.4 + 3.6

Combine like terms: 2.4 + 3.6 = 6
1.5d = 6

Divide each side by '1.5'.
d = 4

Simplifying
d = 4