Khan/khan-exercises — Issue #5005: Linear equations 4 - linear equations 4
Author: KhanBugz
Created: 2011-10-25 22:42:21+00:00
State: open
Labels: ie8, ie9, vista

will not take my answer

[linear_equations_4.html?seed=52&problem=x-on-top-and-bottom](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/linear_equations_4.html?seed=52&problem=x-on-top-and-bottom&debug)

["11.65","-11.65"]

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