Thursday, March 12, 2009

math problems

13. 2x + y = 6 y = 2x - 6
14. 5x + y = 7 y = 5x - 7
15. 3x + 2y = 8 2y = 3x - 8
16. 2x + 5y = 10 5y = 2x - 10
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