Khan/khan-exercises — Issue #6893: Algebra challenge - no question
Author: KhanBugz
Created: 2011-11-22 13:09:44+00:00
State: open
Labels: ie8, not-showing, xp

there is no question

[algebra_challenge.html?seed=115&problem=49 (expressions_with_unknown_variables_2)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=115&problem=49&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=115&problem=49&debug&activity=%5B%5D)

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