42.3=1.5+3.2d

Solution for 42.3=1.5+3.2d equation:

Simplifying
42.3 = 1.5 + 3.2d

Solving
42.3 = 1.5 + 3.2d

Solving for variable 'd'.

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

Add '-3.2d' to each side of the equation.
42.3 + -3.2d = 1.5 + 3.2d + -3.2d

Combine like terms: 3.2d + -3.2d = 0.0
42.3 + -3.2d = 1.5 + 0.0
42.3 + -3.2d = 1.5

Add '-42.3' to each side of the equation.
42.3 + -42.3 + -3.2d = 1.5 + -42.3

Combine like terms: 42.3 + -42.3 = 0.0
0.0 + -3.2d = 1.5 + -42.3
-3.2d = 1.5 + -42.3

Combine like terms: 1.5 + -42.3 = -40.8
-3.2d = -40.8

Divide each side by '-3.2'.
d = 12.75

Simplifying
d = 12.75