x*23+(1-x)*9=12.5

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Solution for x*23+(1-x)*9=12.5 equation: 


Simplifying
x * 23 + (1 + -1x) * 9 = 12.5

Reorder the terms for easier multiplication:
23x + (1 + -1x) * 9 = 12.5

Reorder the terms for easier multiplication:
23x + 9(1 + -1x) = 12.5
23x + (1 * 9 + -1x * 9) = 12.5
23x + (9 + -9x) = 12.5

Reorder the terms:
9 + 23x + -9x = 12.5

Combine like terms: 23x + -9x = 14x
9 + 14x = 12.5

Solving
9 + 14x = 12.5

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 14x = 12.5 + -9

Combine like terms: 9 + -9 = 0
0 + 14x = 12.5 + -9
14x = 12.5 + -9

Combine like terms: 12.5 + -9 = 3.5
14x = 3.5

Divide each side by '14'.
x = 0.25

Simplifying
x = 0.25

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