<PRE><B>Question 448317</B>
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It depends on the mood I&#39;m in.  I might say -4 + -5 is -9 and -(-9) is 9, so -9 + 9 is 0.


Or I might say -(-9) is 9 and then -4 + 9 is 5, then 5 - 5 is 0.


Or I might say -(-9) is 9 and then -5 + 9 is 4, then -4 + 4 is 0.


But no matter what sort of mood I&#39;m in and however I do it, I always get 0 as an answer.


John
*[tex \LARGE e^{i\pi} + 1 = 0]
My calculator said it, I believe it, that settles it
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