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OpenStudy (anonymous):
Solve the sytem by elimination: 3x-y=7 2x+y=3
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OpenStudy (anonymous):
if you add the two equations together, you will eliminate the y variable: 3x - y + 2x + y = 7 + 3, which gives you 5x = 10 or x = 2. now you can substitute the 2 in either equation and find out what the y is
OpenStudy (anonymous):
Ah, ok. Thanks for the help.
OpenStudy (anonymous):
no prob
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