Khan/khan-exercises — Issue #12057: Linear equations 4 - reduction
Author: KhanBugz
Created: 2012-01-25 03:58:59+00:00
State: open
Labels: safari, snowleo, wrong-or-unclear

the reduction of the problem 3 does not go into 5. my ending solution was 18/15

[linear_equations_4.html?seed=163&problem=x-on-top-and-bottom](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/linear_equations_4.html?seed=163&problem=x-on-top-and-bottom&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/linear_equations_4.html?seed=163&problem=x-on-top-and-bottom&debug&activity=%5B%5B%22correct-activity%22%2C%22%5C%2218%2F15%5C%22%22%2C174%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-18%2F15%5C%22%22%2C4%5D%2C%5B%22correct-activity%22%2C%22%5C%2218%2F15%5C%22%22%2C32%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C13%5D%2C%5B%22hint-activity%22%2C%220%22%2C31%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-18%2F15%5C%22%22%2C79%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2215%2F18%5C%22%22%2C7%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-15%2F18%5C%22%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%2C%5B%22correct-activity%22%2C%22%5C%2218%2F15%5C%22%22%2C20%5D%2C%5B%22hint-activity%22%2C%220%22%2C13%5D%5D)

["18/15","-18/15","18/15","-18/15","15/18","-15/18","18/15"]

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