-1.4d-15.28-5.55=3.25+2.9d

Solution for -1.4d-15.28-5.55=3.25+2.9d equation:

Simplifying
-1.4d + -15.28 + -5.55 = 3.25 + 2.9d

Reorder the terms:
-15.28 + -5.55 + -1.4d = 3.25 + 2.9d

Combine like terms: -15.28 + -5.55 = -20.83
-20.83 + -1.4d = 3.25 + 2.9d

Solving
-20.83 + -1.4d = 3.25 + 2.9d

Solving for variable 'd'.

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

Add '-2.9d' to each side of the equation.
-20.83 + -1.4d + -2.9d = 3.25 + 2.9d + -2.9d

Combine like terms: -1.4d + -2.9d = -4.3d
-20.83 + -4.3d = 3.25 + 2.9d + -2.9d

Combine like terms: 2.9d + -2.9d = 0.0
-20.83 + -4.3d = 3.25 + 0.0
-20.83 + -4.3d = 3.25

Add '20.83' to each side of the equation.
-20.83 + 20.83 + -4.3d = 3.25 + 20.83

Combine like terms: -20.83 + 20.83 = 0.00
0.00 + -4.3d = 3.25 + 20.83
-4.3d = 3.25 + 20.83

Combine like terms: 3.25 + 20.83 = 24.08
-4.3d = 24.08

Divide each side by '-4.3'.
d = -5.6

Simplifying
d = -5.6