Khan/khan-exercises — Issue #10999: Writing expressions 1 - Have I read this right?
Author: KhanBugz
Created: 2012-01-12 01:43:55+00:00
State: open
Labels: firefox, snowleo, wrong-or-unclear

Reporter: cleveland78@live.com

9x -8 is cited as the answer but it is not listed as an answer, that's why i chose -none of the above
Thanks for this wonderful resource!

[writing_expressions_1.html?seed=158&problem=original](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/writing_expressions_1.html?seed=158&problem=original&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/writing_expressions_1.html?seed=158&problem=original&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%5C%5C%5C%22%3E-8x%2B9%3C%2Fcode%3E%5C%22%22%2C33%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C10%5D%2C%5B%22hint-activity%22%2C%220%22%2C29%5D%2C%5B%22hint-activity%22%2C%220%22%2C45%5D%2C%5B%22hint-activity%22%2C%220%22%2C51%5D%5D)

["-8x+9"]

Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:8.0.1) Gecko/20100101 Firefox/8.0.1

MathJax is loaded, ready, queue length: 0