.5x-.1=.4-.9(4-4x)

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Solution for .5x-.1=.4-.9(4-4x) equation:


Simplifying
0.5x + -0.1 = 0.4 + -0.9(4 + -4x)

Reorder the terms:
-0.1 + 0.5x = 0.4 + -0.9(4 + -4x)
-0.1 + 0.5x = 0.4 + (4 * -0.9 + -4x * -0.9)
-0.1 + 0.5x = 0.4 + (-3.6 + 3.6x)

Combine like terms: 0.4 + -3.6 = -3.2
-0.1 + 0.5x = -3.2 + 3.6x

Solving
-0.1 + 0.5x = -3.2 + 3.6x

Solving for variable 'x'.

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

Add '-3.6x' to each side of the equation.
-0.1 + 0.5x + -3.6x = -3.2 + 3.6x + -3.6x

Combine like terms: 0.5x + -3.6x = -3.1x
-0.1 + -3.1x = -3.2 + 3.6x + -3.6x

Combine like terms: 3.6x + -3.6x = 0.0
-0.1 + -3.1x = -3.2 + 0.0
-0.1 + -3.1x = -3.2

Add '0.1' to each side of the equation.
-0.1 + 0.1 + -3.1x = -3.2 + 0.1

Combine like terms: -0.1 + 0.1 = 0.0
0.0 + -3.1x = -3.2 + 0.1
-3.1x = -3.2 + 0.1

Combine like terms: -3.2 + 0.1 = -3.1
-3.1x = -3.1

Divide each side by '-3.1'.
x = 1

Simplifying
x = 1

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