Respuesta :

3m=5m+15-3

3m-5m=12

- 2m=12

m=-6

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Answer:

-6

Step-by-step explanation:

distribute the 5 to get 3m=5m+15-3.

do the 15-3=12

bring the 5m over so you have -2m=12

divide by -2 which gives you -6