-8(0.1x+0.2)-2.8=-0.4

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Solution for -8(0.1x+0.2)-2.8=-0.4 equation: 


Simplifying
-8(0.1x + 0.2) + -2.8 = -0.4

Reorder the terms:
-8(0.2 + 0.1x) + -2.8 = -0.4
(0.2 * -8 + 0.1x * -8) + -2.8 = -0.4
(-1.6 + -0.8x) + -2.8 = -0.4

Reorder the terms:
-1.6 + -2.8 + -0.8x = -0.4

Combine like terms: -1.6 + -2.8 = -4.4
-4.4 + -0.8x = -0.4

Solving
-4.4 + -0.8x = -0.4

Solving for variable 'x'.

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

Add '4.4' to each side of the equation.
-4.4 + 4.4 + -0.8x = -0.4 + 4.4

Combine like terms: -4.4 + 4.4 = 0.0
0.0 + -0.8x = -0.4 + 4.4
-0.8x = -0.4 + 4.4

Combine like terms: -0.4 + 4.4 = 4
-0.8x = 4

Divide each side by '-0.8'.
x = -5

Simplifying
x = -5

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