Respuesta :

Answer:

C

Step-by-step explanation:

substitute X=7 in 2x+8, answer 22

substitute X=5, answer 18

option C

substituting X=7 in (X+4)+(X+4) also gives 22

substituting X=5 also gives 18

Answer:

C. (x+4) + (x+4).

Step-by-step explanation: