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September 3, 2015

Homework Help: college algebra

Posted by ann :) on Thursday, September 13, 2012 at 7:57pm.

12x+4y+2z=-7 (1)
3x-12y+6z=-4 (2)
9x-16y+4z=-3 (3)
solve the system.
show steps and answers i tried this problem really difficult

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