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November 24, 2014

November 24, 2014

Posted by **Alex** on Thursday, May 1, 2014 at 11:32pm.

- Math -
**Kuai**, Thursday, May 1, 2014 at 11:41pm-1(5x+7y=77 )

-5x -7y = -77

5x+3y=53

-4y = -24

y = 6

5x + 3(6) = 53

5x + 18 = 53

5x = 35

x = 7

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