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Mathematics 8 Online
OpenStudy (anonymous):

I NEED HELP!! solve the system of equations x+y-z=1 x+y+z=3 3x-2y-z=-4

OpenStudy (midhun.madhu1987):

|dw:1409071667524:dw| now try to find x and y from any 2 equations with the help of z.

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