Question

1) 2m - n =18, 5m +n =7

Answer 1

Answer:

m= 25/7

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Answer 2

Answer:

m = 9 + n

m = 7/5 - n

Step-by-step explanation:

2m = 18 + n

m = 18/2 + n

m = 9 + n

_________

5m = 7 - n

m = 7/5 - n