SOLUTION: m-2n=0 m+4n=30

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Question 51806: m-2n=0
m+4n=30
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
m - 2n = 0 or m = 2n
plug:
m + 4n = 30
2n + 4n = 30
6n = 30
n = 5
plug:
m = 2(5) = 10