xi=xi

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Solution for xi=xi equation: 


Simplifying
xi = xi

Add '-1ix' to each side of the equation.
ix + -1ix = ix + -1ix

Combine like terms: ix + -1ix = 0
0 = ix + -1ix

Combine like terms: ix + -1ix = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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