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December 18, 2014

December 18, 2014

Posted by **Cody** on Wednesday, May 19, 2010 at 8:17pm.

- Algebra -
**Anonymous**, Wednesday, May 19, 2010 at 8:19pm-7y+5z-4

- Algebra -
**Cody**, Wednesday, May 19, 2010 at 8:30pmthanks man

- Algebra -
**Jen**, Wednesday, May 19, 2010 at 11:54pmIt's -7y+15z-4

The reason that it's 15 and not 5 is because the two negative signs become a positive

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