Respuesta :

Answer:

x = 7

Step-by-step explanation:

ΔKJL~ ΔNMP  .... AA or AAA

KJ / NM = JL / MP

25 / 30 = 20 / (4x - 4)

5 / 6 = 5 / (x - 1)

6 = x - 1

x = 7