Posted by **ann** on Tuesday, September 11, 2012 at 8:31pm.

x+y+5z=18

x+y+7z=26

x-4y-7y=-35

its a solve a 3 equation solve the system

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March 24, 2017
Posted by **ann** on Tuesday, September 11, 2012 at 8:31pm.

x+y+5z=18

x+y+7z=26

x-4y-7y=-35

its a solve a 3 equation solve the system

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