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December 21, 2014

December 21, 2014

Posted by **Jacqueline** on Thursday, July 5, 2012 at 8:50pm.

x + y = 12

x – y = –2

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- algebra -
**Reiny**, Thursday, July 5, 2012 at 9:05pmreal simple, just add them

2x = 10

so x=5

plug back into the first: 5+y = 12 ----> y = 7

check in the 2nd equation.

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