4.2-7-2.2d+4.3=-1.4

Solution for 4.2-7-2.2d+4.3=-1.4 equation:

Simplifying
4.2 + -7 + -2.2d + 4.3 = -1.4

Reorder the terms:
4.2 + -7 + 4.3 + -2.2d = -1.4

Combine like terms: 4.2 + -7 = -2.8
-2.8 + 4.3 + -2.2d = -1.4

Combine like terms: -2.8 + 4.3 = 1.5
1.5 + -2.2d = -1.4

Solving
1.5 + -2.2d = -1.4

Solving for variable 'd'.

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

Add '-1.5' to each side of the equation.
1.5 + -1.5 + -2.2d = -1.4 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + -2.2d = -1.4 + -1.5
-2.2d = -1.4 + -1.5

Combine like terms: -1.4 + -1.5 = -2.9
-2.2d = -2.9

Divide each side by '-2.2'.
d = 1.318181818

Simplifying
d = 1.318181818