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Mathematics 7 Online
OpenStudy (anonymous):

stuck again [3x/(x+7)]+[4x/(x-4)] i got [(x)(7x+16)/(x+7)(x-4)] but thats not correct?

OpenStudy (anonymous):

@precal

OpenStudy (precal):

|dw:1358972981299:dw|

OpenStudy (precal):

|dw:1358973015545:dw|

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