SOLUTION: If M+N=151 and M-N=15, how do you calculate M and N?

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Question 564893: If M+N=151 and M-N=15, how do you calculate M and N?
Answer by ad_alta(240) About Me  (Show Source):
You can put this solution on YOUR website!
Since m+n=151, n=151-m. Substitute this into the second equation to get m-(151-m)=15 to get m=83. Thus n=68.