Respuesta :

ricchad

Answer:

KL = 12

Step-by-step explanation:

JK + KL = JL

where:

JK = 7x + 8

KL = 2x + 2

JL = 55

plugin values into the equation:

7x + 8 + 2x + 2 = 55

7x + 2x = 55 - 8 - 2

9x = 45

x = 45 / 9

x = 5

KL = 2x + 2

KL = 2(5) + 2

KL = 12