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July 25, 2014

July 25, 2014

Posted by **Susan** on Wednesday, September 15, 2010 at 10:57pm.

also need an ordered pair?

7x+6y=15

-7x=y=27

- MATH -
**TutorCat**, Wednesday, September 15, 2010 at 11:59pmhttp://www.helpalgebra.com/onlinebook/substitutionmethod.htm

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