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September 18, 2014

September 18, 2014

Posted by **Denise** on Wednesday, July 24, 2013 at 5:08pm.

4x+y=9

x-y=11

x=? =?

- Math -
**Ms. Sue**, Wednesday, July 24, 2013 at 5:11pm4x+y=9

x-y=11

5x = 20

x = 4

16 + y = 9

y = -7

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