8z - 17 + 5z + 37 = 17z - 4 13z + 20 = 17z - 4 subtract 13z from both sides 20 = 4z - 4 add 4 to both sides 24 = 4z divide by 4 on both sides 6 = z JK = 17(6) - 4 The length of JK = 106 The length of JP = 8(6) - 17 = 31 The length of PK = 5(6) + 37 = 67
