Respuesta :

6058755

Answer:

18

Step-by-step explanation:

6+3=9

6-3=3

so 6x3=18

n + m = 9

n - m = 9

You have to add the 2 to get...

2n = 12

n = 6

m = 9 - n = 9 - 6 = 3

Hope this answer helps!

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