54.15=15.75*3.2d

Solution for 54.15=15.75*3.2d equation:

Simplifying
54.15 = 15.75 * 3.2d

Multiply 15.75 * 3.2
54.15 = 50.4d

Solving
54.15 = 50.4d

Solving for variable 'd'.

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

Add '-50.4d' to each side of the equation.
54.15 + -50.4d = 50.4d + -50.4d

Combine like terms: 50.4d + -50.4d = 0.0
54.15 + -50.4d = 0.0

Add '-54.15' to each side of the equation.
54.15 + -54.15 + -50.4d = 0.0 + -54.15

Combine like terms: 54.15 + -54.15 = 0.00
0.00 + -50.4d = 0.0 + -54.15
-50.4d = 0.0 + -54.15

Combine like terms: 0.0 + -54.15 = -54.15
-50.4d = -54.15

Divide each side by '-50.4'.
d = 1.074404762

Simplifying
d = 1.074404762