d-1.2=0.2d

Solution for d-1.2=0.2d equation:

Simplifying
d + -1.2 = 0.2d

Reorder the terms:
-1.2 + d = 0.2d

Solving
-1.2 + d = 0.2d

Solving for variable 'd'.

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

Add '-0.2d' to each side of the equation.
-1.2 + d + -0.2d = 0.2d + -0.2d

Combine like terms: d + -0.2d = 0.8d
-1.2 + 0.8d = 0.2d + -0.2d

Combine like terms: 0.2d + -0.2d = 0.0
-1.2 + 0.8d = 0.0

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 0.8d = 0.0 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 0.8d = 0.0 + 1.2
0.8d = 0.0 + 1.2

Combine like terms: 0.0 + 1.2 = 1.2
0.8d = 1.2

Divide each side by '0.8'.
d = 1.5

Simplifying
d = 1.5