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August 27, 2014

August 27, 2014

Posted by **alex** on Tuesday, January 8, 2013 at 7:58pm.

x+y=10

x-y=2

- math -
**Reiny**, Tuesday, January 8, 2013 at 7:59pmThey can't get any easier than that

Just add them

Try it .....

- math -
**alex**, Tuesday, January 8, 2013 at 8:01pmI was confused somewhat more difficult

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