Question 714193
Add the equations to get


m+3n=2
-m+2n=3
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0m+5n=5


5n = 5


n = 5/5


n = 1


Now use this to find m


m+3n=2 


m+3(1)=2 


m + 3 = 2


m = 2 - 3


m = -1


So the solutions are m = -1 and n = 1