Respuesta :

Hello from MrBillDoesMath!

Answer:  16n + 18

Discussion:

2(1+6n )  +4 (n+4)  =>

2*1 + 2 (6n)   + 4 *n + 4 * 4 =>

2 + 12n + 4n + 16 =>

(2 + 16) + (12n + 4n) =>

18 + 16n


Thank you,

MrB