1-x=0.40(2-x)

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Solution for 1-x=0.40(2-x) equation:


Simplifying
1 + -1x = 0.40(2 + -1x)
1 + -1x = (2 * 0.40 + -1x * 0.40)
1 + -1x = (0.8 + -0.4x)

Solving
1 + -1x = 0.8 + -0.4x

Solving for variable 'x'.

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

Add '0.4x' to each side of the equation.
1 + -1x + 0.4x = 0.8 + -0.4x + 0.4x

Combine like terms: -1x + 0.4x = -0.6x
1 + -0.6x = 0.8 + -0.4x + 0.4x

Combine like terms: -0.4x + 0.4x = 0.0
1 + -0.6x = 0.8 + 0.0
1 + -0.6x = 0.8

Add '-1' to each side of the equation.
1 + -1 + -0.6x = 0.8 + -1

Combine like terms: 1 + -1 = 0
0 + -0.6x = 0.8 + -1
-0.6x = 0.8 + -1

Combine like terms: 0.8 + -1 = -0.2
-0.6x = -0.2

Divide each side by '-0.6'.
x = 0.3333333333

Simplifying
x = 0.3333333333

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