Respuesta :

Answer:

a. 12x+22, b. x = 9

Step-by-step explanation:

a. The perimiter in terms of x is 2((4x+8)+(2x+3)) = 12x+22

b. 12x+22=136, 12x=108, x=9

a. 12x+22, b. x = 9

Step-by-step explanation:

a. The perimiter in terms of x is 2((4x+8)+(2x+3)) = 12x+22

b. 12x+22=136, 12x=108, x=9