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December 20, 2014

December 20, 2014

Posted by **Jane** on Friday, May 29, 2009 at 3:56pm.

x+3y=9 (1)

x=3-3y

- Math -
**bobpursley**, Friday, May 29, 2009 at 4:47pmsubtract the second equation from the first.

0+3y=9-3+3y which is nonsense, which means it has no solution.

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