The subtle violation of algebraic rules is in the second-to-last step. You can't "cancel" a zero. And, e - f - d = 0.
"proof is the bottom line for everyone"
--Jeff Thu Mar 10 22:28:29 2011
At last, someone comes up with the "right" anwesr!
--Jessie Sat Dec 10 16:48:04 2011
I went to the tour at the dome last night, Jessie J = AMAZING!!! I'll dtnefiiely be booking tickets for the next tour I even went to school with no voice today, I so wish I could do it all again tonight, Keep on inspiring Jessie J x
--Petro Mon Feb 13 15:25:42 2012
eE2iES I value the article. Will read on...
--Discount OEM Software Wed Mar 7 12:45:52 2012