.2(0.1x+0.5)=-0.4

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Solution for .2(0.1x+0.5)=-0.4 equation: 


Simplifying
0.2(0.1x + 0.5) = -0.4

Reorder the terms:
0.2(0.5 + 0.1x) = -0.4
(0.5 * 0.2 + 0.1x * 0.2) = -0.4
(0.1 + 0.02x) = -0.4

Solving
0.1 + 0.02x = -0.4

Solving for variable 'x'.

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

Add '-0.1' to each side of the equation.
0.1 + -0.1 + 0.02x = -0.4 + -0.1

Combine like terms: 0.1 + -0.1 = 0.0
0.0 + 0.02x = -0.4 + -0.1
0.02x = -0.4 + -0.1

Combine like terms: -0.4 + -0.1 = -0.5
0.02x = -0.5

Divide each side by '0.02'.
x = -25

Simplifying
x = -25

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