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View Full Version : Solving linear systems by combination

bethie12
Jan 27, 2011, 04:58 PM
x+y=5
x-y=7
Unknown008
Jan 27, 2011, 10:36 PM
Combination? It's the first time I hear about this 'method' I guess it's the same as elimination...

Add the two equations together. What do you get? :)