Khan/khan-exercises — Issue #12917: Algebra challenge - Looks like overlapping letters
Author: KhanBugz
Created: 2012-02-02 19:14:45+00:00
State: open
Labels: other, win7

whay is -10x-15y-31-4c-3(and after 3 is the problem).

[algebra_challenge.html?seed=92&problem=27 (expressions_with_unknown_variables_2)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=92&problem=27&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=92&problem=27&debug&activity=%5B%5D)

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Opera/9.80 (Windows NT 6.1; U; en) Presto/2.10.229 Version/11.61

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