Answer:
x = 109°
z = 28°
Step-by-step explanation:
3z - 13 = 71 because they are alternate exterior angles
3z = 71 +13
3z = 84
z = 28°
x + (3z - 13) = 180 property of straight line
x + 3(28) - 13 = 180
x + 84 - 13 = 180
x + 71 = 180
x = 109
-Chetan K
