Question 991496
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Add the first two equations to eliminate z.  Then add the result to the third equation and get the absurdity 0 = 17.  The system is inconsistent.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it

*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \