.15x+.25(1-x)=.20

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Solution for .15x+.25(1-x)=.20 equation: 


Simplifying
0.15x + 0.25(1 + -1x) = 0.20
0.15x + (1 * 0.25 + -1x * 0.25) = 0.20
0.15x + (0.25 + -0.25x) = 0.20

Reorder the terms:
0.25 + 0.15x + -0.25x = 0.20

Combine like terms: 0.15x + -0.25x = -0.1x
0.25 + -0.1x = 0.20

Solving
0.25 + -0.1x = 0.20

Solving for variable 'x'.

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

Add '-0.25' to each side of the equation.
0.25 + -0.25 + -0.1x = 0.20 + -0.25

Combine like terms: 0.25 + -0.25 = 0.00
0.00 + -0.1x = 0.20 + -0.25
-0.1x = 0.20 + -0.25

Combine like terms: 0.20 + -0.25 = -0.05
-0.1x = -0.05

Divide each side by '-0.1'.
x = 0.5

Simplifying
x = 0.5

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