SOLUTION: ? X ? = -1

Algebra ->  Equations -> SOLUTION: ? X ? = -1      Log On


   

Question 1053944: ? X ? = -1
Found 3 solutions by ikleyn, Alan3354, MathTherapy:
Answer by ikleyn(52788) About Me  (Show Source):
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
makes no sense.

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

? X ? = -1
A number times its negative reciprocal = - 1