-4(0.1x+0.2)-1.2=-0.4

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Solution for -4(0.1x+0.2)-1.2=-0.4 equation: 


Simplifying
-4(0.1x + 0.2) + -1.2 = -0.4

Reorder the terms:
-4(0.2 + 0.1x) + -1.2 = -0.4
(0.2 * -4 + 0.1x * -4) + -1.2 = -0.4
(-0.8 + -0.4x) + -1.2 = -0.4

Reorder the terms:
-0.8 + -1.2 + -0.4x = -0.4

Combine like terms: -0.8 + -1.2 = -2
-2 + -0.4x = -0.4

Solving
-2 + -0.4x = -0.4

Solving for variable 'x'.

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

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

Combine like terms: -2 + 2 = 0
0 + -0.4x = -0.4 + 2
-0.4x = -0.4 + 2

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

Divide each side by '-0.4'.
x = -4

Simplifying
x = -4

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