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February 28, 2015

February 28, 2015

Posted by **ROCKY** on Saturday, July 30, 2011 at 9:43pm.

3x+7y=77

-2x+7y=42

- intermediate algebra -
**drwls**, Sunday, July 31, 2011 at 4:42amSubtract the second equation from the first.

5x = 35

You do the rest

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