Respuesta :

Answer:

(4x + 11)

Step-by-step explanation:

(6x+11) + (4x + 9) - (6x + 9)

(10x + 20) - (6x + 9)

(4x + 11)

madelynnsilvera1
First find the sum of (6x+11)+(4x+9) which is (10x + 20). Then take (10x+20)-(6x+9) which equals (4x-11)