0.4+0.3(2x-8)=0.8x

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Solution for 0.4+0.3(2x-8)=0.8x equation: 


Simplifying
0.4 + 0.3(2x + -8) = 0.8x

Reorder the terms:
0.4 + 0.3(-8 + 2x) = 0.8x
0.4 + (-8 * 0.3 + 2x * 0.3) = 0.8x
0.4 + (-2.4 + 0.6x) = 0.8x

Combine like terms: 0.4 + -2.4 = -2
-2 + 0.6x = 0.8x

Solving
-2 + 0.6x = 0.8x

Solving for variable 'x'.

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

Add '-0.8x' to each side of the equation.
-2 + 0.6x + -0.8x = 0.8x + -0.8x

Combine like terms: 0.6x + -0.8x = -0.2x
-2 + -0.2x = 0.8x + -0.8x

Combine like terms: 0.8x + -0.8x = 0.0
-2 + -0.2x = 0.0

Add '2' to each side of the equation.
-2 + 2 + -0.2x = 0.0 + 2

Combine like terms: -2 + 2 = 0
0 + -0.2x = 0.0 + 2
-0.2x = 0.0 + 2

Combine like terms: 0.0 + 2 = 2
-0.2x = 2

Divide each side by '-0.2'.
x = -10

Simplifying
x = -10

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