0.3=0.4-0.2x

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Solution for 0.3=0.4-0.2x equation: 


Simplifying
0.3 = 0.4 + -0.2x

Solving
0.3 = 0.4 + -0.2x

Solving for variable 'x'.

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

Add '0.2x' to each side of the equation.
0.3 + 0.2x = 0.4 + -0.2x + 0.2x

Combine like terms: -0.2x + 0.2x = 0.0
0.3 + 0.2x = 0.4 + 0.0
0.3 + 0.2x = 0.4

Add '-0.3' to each side of the equation.
0.3 + -0.3 + 0.2x = 0.4 + -0.3

Combine like terms: 0.3 + -0.3 = 0.0
0.0 + 0.2x = 0.4 + -0.3
0.2x = 0.4 + -0.3

Combine like terms: 0.4 + -0.3 = 0.1
0.2x = 0.1

Divide each side by '0.2'.
x = 0.5

Simplifying
x = 0.5

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