Respuesta :

Answer:

4m + 3n + 4

Step-by-step explanation:

1) Add the numbers

2n + 3 + 4m + n + 1

2n + 4 + 4m + n

2) Combine like terms

2n + 4 + 4m + n

3n + 4 + 4m

3) Rearrange terms

3n + 4 + 4m

4m + 3n + 4