Respuesta :

Answer:

2m+1

You would simplify the expression by subtracting the 3m by the m

Step-by-step explanation:

Answer:

A. 2+m-1+m

Step-by-step explanation:

3m+1-m = 2m+1

2+m-1+m = 2m+1

1+m= 1+m

3m-1 = 3m-1

3m= 3m

A and the equation are equal.