Khan/khan-exercises — Issue #4231: Algebra challenge - algabra challenge
Author: KhanBugz
Created: 2011-10-12 18:58:03+00:00
State: open
Labels: chrome, win7

Reporter: pernalms@gmail.com

I do not know how to do it.

[algebra_challenge.html?seed=49&problem=10 (systems_of_equations)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=49&problem=10)

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Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.202 Safari/535.1

MathJax is loaded, ready, queue length: 0