.143=.13*x+.15*(1-x)

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Solution for .143=.13*x+.15*(1-x) equation: 


Simplifying
0.143 = 0.13x + 0.15(1 + -1x)
0.143 = 0.13x + (1 * 0.15 + -1x * 0.15)
0.143 = 0.13x + (0.15 + -0.15x)

Reorder the terms:
0.143 = 0.15 + 0.13x + -0.15x

Combine like terms: 0.13x + -0.15x = -0.02x
0.143 = 0.15 + -0.02x

Solving
0.143 = 0.15 + -0.02x

Solving for variable 'x'.

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

Add '0.02x' to each side of the equation.
0.143 + 0.02x = 0.15 + -0.02x + 0.02x

Combine like terms: -0.02x + 0.02x = 0.00
0.143 + 0.02x = 0.15 + 0.00
0.143 + 0.02x = 0.15

Add '-0.143' to each side of the equation.
0.143 + -0.143 + 0.02x = 0.15 + -0.143

Combine like terms: 0.143 + -0.143 = 0.000
0.000 + 0.02x = 0.15 + -0.143
0.02x = 0.15 + -0.143

Combine like terms: 0.15 + -0.143 = 0.007
0.02x = 0.007

Divide each side by '0.02'.
x = 0.35

Simplifying
x = 0.35

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