0.4(x-4)=2x

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Solution for 0.4(x-4)=2x equation:


Simplifying
0.4(x + -4) = 2x

Reorder the terms:
0.4(-4 + x) = 2x
(-4 * 0.4 + x * 0.4) = 2x
(-1.6 + 0.4x) = 2x

Solving
-1.6 + 0.4x = 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.
-1.6 + 0.4x + -2x = 2x + -2x

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

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

Add '1.6' to each side of the equation.
-1.6 + 1.6 + -1.6x = 0 + 1.6

Combine like terms: -1.6 + 1.6 = 0.0
0.0 + -1.6x = 0 + 1.6
-1.6x = 0 + 1.6

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

Divide each side by '-1.6'.
x = -1

Simplifying
x = -1

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