http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=7592121&tstart=0#7592121 Dave,
When x = y, the conditions imply that k = x and k = 2y. Therefore 2y = y, so x = y = 0.
For x > y, I'm getting x = [-5 +/]]> Oct 21, 2011 8:22:08 PM Oct 21, 2011 8:22:08 PM benb 0 http://mathforum.org/kb/thread.jspa?messageID=7591902&tstart=0#7591902 Oct 21, 2011 2:39:22 PM Oct 21, 2011 2:39:22 PM ewall@umich.edu 0 http://mathforum.org/kb/thread.jspa?messageID=7591768&tstart=0#7591768 Oct 21, 2011 9:31:11 AM Oct 21, 2011 9:31:11 AM mathds 2