0.4x+4=2x-0.8

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Solution for 0.4x+4=2x-0.8 equation:


Simplifying
0.4x + 4 = 2x + -0.8

Reorder the terms:
4 + 0.4x = 2x + -0.8

Reorder the terms:
4 + 0.4x = -0.8 + 2x

Solving
4 + 0.4x = -0.8 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
4 + 0.4x + -2x = -0.8 + 2x + -2x

Combine like terms: 0.4x + -2x = -1.6x
4 + -1.6x = -0.8 + 2x + -2x

Combine like terms: 2x + -2x = 0
4 + -1.6x = -0.8 + 0
4 + -1.6x = -0.8

Add '-4' to each side of the equation.
4 + -4 + -1.6x = -0.8 + -4

Combine like terms: 4 + -4 = 0
0 + -1.6x = -0.8 + -4
-1.6x = -0.8 + -4

Combine like terms: -0.8 + -4 = -4.8
-1.6x = -4.8

Divide each side by '-1.6'.
x = 3

Simplifying
x = 3

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