1+2d-5.6-d=-2.3

Solution for 1+2d-5.6-d=-2.3 equation:

Simplifying
1 + 2d + -5.6 + -1d = -2.3

Reorder the terms:
1 + -5.6 + 2d + -1d = -2.3

Combine like terms: 1 + -5.6 = -4.6
-4.6 + 2d + -1d = -2.3

Combine like terms: 2d + -1d = 1d
-4.6 + 1d = -2.3

Solving
-4.6 + 1d = -2.3

Solving for variable 'd'.

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

Add '4.6' to each side of the equation.
-4.6 + 4.6 + 1d = -2.3 + 4.6

Combine like terms: -4.6 + 4.6 = 0.0
0.0 + 1d = -2.3 + 4.6
1d = -2.3 + 4.6

Combine like terms: -2.3 + 4.6 = 2.3
1d = 2.3

Divide each side by '1'.
d = 2.3

Simplifying
d = 2.3