Saturday

December 20, 2014

December 20, 2014

Posted by **Margie** on Saturday, October 14, 2006 at 2:14pm.

3x - y = 9

2x + y = 6

(3,0)

(3,-18)

(3,-1)

(3,1)

Once again add the two equations to get

5x = 15

Solve for x and substitute into either equation to find y.

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