.1(x+.5)+.2x=.2(x-.4)

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Solution for .1(x+.5)+.2x=.2(x-.4) equation:


Simplifying
0.1(x + 0.5) + 0.2x = 0.2(x + -0.4)

Reorder the terms:
0.1(0.5 + x) + 0.2x = 0.2(x + -0.4)
(0.5 * 0.1 + x * 0.1) + 0.2x = 0.2(x + -0.4)
(0.05 + 0.1x) + 0.2x = 0.2(x + -0.4)

Combine like terms: 0.1x + 0.2x = 0.3x
0.05 + 0.3x = 0.2(x + -0.4)

Reorder the terms:
0.05 + 0.3x = 0.2(-0.4 + x)
0.05 + 0.3x = (-0.4 * 0.2 + x * 0.2)
0.05 + 0.3x = (-0.08 + 0.2x)

Solving
0.05 + 0.3x = -0.08 + 0.2x

Solving for variable 'x'.

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

Add '-0.2x' to each side of the equation.
0.05 + 0.3x + -0.2x = -0.08 + 0.2x + -0.2x

Combine like terms: 0.3x + -0.2x = 0.1x
0.05 + 0.1x = -0.08 + 0.2x + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
0.05 + 0.1x = -0.08 + 0.0
0.05 + 0.1x = -0.08

Add '-0.05' to each side of the equation.
0.05 + -0.05 + 0.1x = -0.08 + -0.05

Combine like terms: 0.05 + -0.05 = 0.00
0.00 + 0.1x = -0.08 + -0.05
0.1x = -0.08 + -0.05

Combine like terms: -0.08 + -0.05 = -0.13
0.1x = -0.13

Divide each side by '0.1'.
x = -1.3

Simplifying
x = -1.3

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