Thursday

August 21, 2014

August 21, 2014

Posted by **Alex** on Thursday, May 1, 2014 at 11:53pm.

- Math -
**Kuai**, Friday, May 2, 2014 at 12:05am3x+6y=6

2x-3y=9

3x + 6y = 6

2(2x -3y =9)

3x + 6y = 6

4x -6y = 18

7x = 24

x = 24/7

y =-30/7

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