Khan/khan-exercises — Issue #10042: Systems of equations with substitution - answer is right
Author: KhanBugz
Created: 2012-01-02 19:30:48+00:00
State: open
Labels: ie8, win7, wrong-or-unclear

the answer was marked wrong but it is the correct answer

[systems_of_equations_with_substitution.html?seed=140&problem=substitution-y](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/systems_of_equations_with_substitution.html?seed=140&problem=substitution-y&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/systems_of_equations_with_substitution.html?seed=140&problem=substitution-y&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%221%5C%22%2C%5C%220%5C%22%5D%22%2C75%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%221%5C%22%2C%5C%22no%20solution%5C%22%5D%22%2C72%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%221%5C%22%2C%5C%220%5C%22%5D%22%2C5%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%221%5C%22%2C%5C%220%5C%22%5D%22%2C86%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%221%5C%22%2C%5C%226%5C%22%5D%22%2C7%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%220%5C%22%2C%5C%221%5C%22%5D%22%2C8%5D%5D)

[["1","0"],["1","no solution"],["1","0"],["1","0"],["1","6"],["0","1"]]

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