-0.2(1-d)=2(4+0.1d)

Solution for -0.2(1-d)=2(4+0.1d) equation:

Simplifying
-0.2(1 + -1d) = 2(4 + 0.1d)
(1 * -0.2 + -1d * -0.2) = 2(4 + 0.1d)
(-0.2 + 0.2d) = 2(4 + 0.1d)
-0.2 + 0.2d = (4 * 2 + 0.1d * 2)
-0.2 + 0.2d = (8 + 0.2d)

Add '-0.2d' to each side of the equation.
-0.2 + 0.2d + -0.2d = 8 + 0.2d + -0.2d

Combine like terms: 0.2d + -0.2d = 0.0
-0.2 + 0.0 = 8 + 0.2d + -0.2d
-0.2 = 8 + 0.2d + -0.2d

Combine like terms: 0.2d + -0.2d = 0.0
-0.2 = 8 + 0.0
-0.2 = 8

Solving
-0.2 = 8

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.