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March 3, 2015

March 3, 2015

Posted by **Becky** on Wednesday, December 26, 2007 at 10:33pm.

5x+7y=b

mx+y=22

- algebra -
**drwls**, Wednesday, December 26, 2007 at 11:53pmSubstitute -3 for x and 4 for y in both equations. That will give you two equations in m and b only. The answers will apear directly

-15 + 28 = b

-3m + 4 = 22

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