x-.4=.4x

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


Simplifying
x + -0.4 = 0.4x

Reorder the terms:
-0.4 + x = 0.4x

Solving
-0.4 + x = 0.4x

Solving for variable 'x'.

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

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

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

Combine like terms: 0.4x + -0.4x = 0.0
-0.4 + 0.6x = 0.0

Add '0.4' to each side of the equation.
-0.4 + 0.4 + 0.6x = 0.0 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + 0.6x = 0.0 + 0.4
0.6x = 0.0 + 0.4

Combine like terms: 0.0 + 0.4 = 0.4
0.6x = 0.4

Divide each side by '0.6'.
x = 0.6666666667

Simplifying
x = 0.6666666667

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