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kaykay94
Mar 10, 2010, 06:14 PM
3x-y=9
2x+y=1
Unknown008
Mar 10, 2010, 10:22 PM
No need to post your question several times.

Add the two equations. What do you get?


3x - y = 9
2x + y = 1
5x + 0 = 10

Then, go on, that should be easy now.