Khan/khan-exercises — Issue #12900: Systems of equations - you are a jerk
Author: KhanBugz
Created: 2012-02-02 17:42:00+00:00
State: open
Labels: hard, ie8, xp

Reporter: marpeyto@sd151.k12.id.us

you are a jerk you are a jerk you are a jerk you are a jerk you are a jerk you are a jerk you are a jerk you are a jer

[systems_of_equations.html?seed=7&problem=substitution-y](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/systems_of_equations.html?seed=7&problem=substitution-y&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/systems_of_equations.html?seed=7&problem=substitution-y&debug&activity=%5B%5D)

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