Khan/khan-exercises — Issue #5337: Systems of equations - questions too hard
Author: KhanBugz
Created: 2011-11-01 15:02:51+00:00
State: open
Labels: firefox, xp

some of these questions are tricky

[systems_of_equations.html?seed=110&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/systems_of_equations.html?seed=110&problem=0&debug)

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Mozilla/5.0 (Windows NT 5.1; rv:5.0.1) Gecko/20100101 Firefox/5.0.1

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