.4-x-.2=1

Solution for .4-x-.2=1 equation:

Simplifying
0.4 + -1x + -0.2 = 1

Reorder the terms:
0.4 + -0.2 + -1x = 1

Combine like terms: 0.4 + -0.2 = 0.2
0.2 + -1x = 1

Solving
0.2 + -1x = 1

Solving for variable 'x'.

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

Add '-0.2' to each side of the equation.
0.2 + -0.2 + -1x = 1 + -0.2

Combine like terms: 0.2 + -0.2 = 0.0
0.0 + -1x = 1 + -0.2
-1x = 1 + -0.2

Combine like terms: 1 + -0.2 = 0.8
-1x = 0.8

Divide each side by '-1'.
x = -0.8

Simplifying
x = -0.8