-0.6x+0.3+x=0.4

Solution for -0.6x+0.3+x=0.4 equation:

Simplifying
-0.6x + 0.3 + x = 0.4

Reorder the terms:
0.3 + -0.6x + x = 0.4

Combine like terms: -0.6x + x = 0.4x
0.3 + 0.4x = 0.4

Solving
0.3 + 0.4x = 0.4

Solving for variable 'x'.

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

Add '-0.3' to each side of the equation.
0.3 + -0.3 + 0.4x = 0.4 + -0.3

Combine like terms: 0.3 + -0.3 = 0.0
0.0 + 0.4x = 0.4 + -0.3
0.4x = 0.4 + -0.3

Combine like terms: 0.4 + -0.3 = 0.1
0.4x = 0.1

Divide each side by '0.4'.
x = 0.25

Simplifying
x = 0.25