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December 18, 2014

December 18, 2014

Posted by **marissa.1274** on Thursday, January 13, 2011 at 7:42pm.

- Algebra -
**helper**, Thursday, January 13, 2011 at 8:50pmxz = 48

yz = 72

xy = 24

x = 4, y = 6, z = 12

x + y + z = 4 + 6 + 12 = 22

I did this manually, by trial an error

there must be an easier way ?

I am not a tutor

maybe a tutor will answer with an easier way

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