Sunday

December 21, 2014

December 21, 2014

Posted by **Anonymous** on Saturday, January 24, 2009 at 6:21pm.

- math -
**bobpursley**, Saturday, January 24, 2009 at 6:25pmM+N=42

M-N=12

Add the equations

2M=54

solve for M, then go back into either equation solve for N

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