Posted by **mysterychicken** on Thursday, May 7, 2009 at 11:22am.

Can someone please check if I answered these 3 questions correctly?

Find three solutions:

1.x - y= 7 (10,3) (14,7) (8,1)

2.2x + y= 10 (2,6) (4,2) (5,0)

3.y=3x (2,6) (9,3) (15,5)

Thanks!

-MC

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