Respuesta :

Answer:

x = 2

KJ = 12

KI = 23

Step-by-step explanation:

KJ + JI = 12x - 1

5x + 2 + 11 = 12x - 1

5x + 13 = 12x - 1

5x - 12 x = - 1 - 13

-7x = - 14

x = - 14/-7

x = 2

KJ = 5x + 2 = 5*2 + 2 = 10 + 2

KJ = 12

KI = 12 + 11

KI = 23