Khan/khan-exercises — Issue #6843: Writing expressions 2 - the answer does not match explanation
Author: KhanBugz
Created: 2011-11-21 21:03:35+00:00
State: open
Labels: chrome, wrong-or-unclear, xp

the explanation tells you a different thing from the answer

[writing_expressions_2.html?seed=132&problem=type-2](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/writing_expressions_2.html?seed=132&problem=type-2&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/writing_expressions_2.html?seed=132&problem=type-2&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%20%5C%5C%5C%22%3E-9(2x-8)-7%3C%2Fcode%3E%5C%22%22%2C200%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%20%5C%5C%5C%22%3E-7(2x%2B8)%2B9%3C%2Fcode%3E%5C%22%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C5%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%2C%5B%22hint-activity%22%2C%220%22%2C21%5D%2C%5B%22hint-activity%22%2C%220%22%2C27%5D%2C%5B%22hint-activity%22%2C%220%22%2C30%5D%2C%5B%22hint-activity%22%2C%220%22%2C33%5D%2C%5B%22hint-activity%22%2C%220%22%2C39%5D%5D)

["-9(2x-8)-7","-7(2x+8)+9"]

Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2

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