-4(0.1x+0.2)-1.3=-0.1

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Solution for -4(0.1x+0.2)-1.3=-0.1 equation: 


Simplifying
-4(0.1x + 0.2) + -1.3 = -0.1

Reorder the terms:
-4(0.2 + 0.1x) + -1.3 = -0.1
(0.2 * -4 + 0.1x * -4) + -1.3 = -0.1
(-0.8 + -0.4x) + -1.3 = -0.1

Reorder the terms:
-0.8 + -1.3 + -0.4x = -0.1

Combine like terms: -0.8 + -1.3 = -2.1
-2.1 + -0.4x = -0.1

Solving
-2.1 + -0.4x = -0.1

Solving for variable 'x'.

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

Add '2.1' to each side of the equation.
-2.1 + 2.1 + -0.4x = -0.1 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + -0.4x = -0.1 + 2.1
-0.4x = -0.1 + 2.1

Combine like terms: -0.1 + 2.1 = 2
-0.4x = 2

Divide each side by '-0.4'.
x = -5

Simplifying
x = -5

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