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September 20, 2014

September 20, 2014

Posted by **Stephanie** on Thursday, October 28, 2010 at 7:40pm.

- algebra -
**tots**, Friday, July 5, 2013 at 2:47pmThe ordered pair (-1, -1) is a solution of the system

-4x + 2y = 2

x + y = -2

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