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April 18, 2014

April 18, 2014

Posted by **laila01** on Sunday, May 10, 2009 at 1:25pm.

3x + 2y = 17

2x - y = 9

- geometry -
**drwls**, Sunday, May 10, 2009 at 2:05pmDouble the second equation and add them.

3x + 2y = 17

4x - 2y = 18

____________

7x = 35

Take it from there. Divide both sides by 7 and plug the answer you get for x into either equation, to get y.

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