0.4x-0.4(3-x)=2.4

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Solution for 0.4x-0.4(3-x)=2.4 equation:


Simplifying
0.4x + -0.4(3 + -1x) = 2.4
0.4x + (3 * -0.4 + -1x * -0.4) = 2.4
0.4x + (-1.2 + 0.4x) = 2.4

Reorder the terms:
-1.2 + 0.4x + 0.4x = 2.4

Combine like terms: 0.4x + 0.4x = 0.8x
-1.2 + 0.8x = 2.4

Solving
-1.2 + 0.8x = 2.4

Solving for variable 'x'.

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

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 0.8x = 2.4 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 0.8x = 2.4 + 1.2
0.8x = 2.4 + 1.2

Combine like terms: 2.4 + 1.2 = 3.6
0.8x = 3.6

Divide each side by '0.8'.
x = 4.5

Simplifying
x = 4.5

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