Answer:
x = 8°, z = 67°
Explanation:
To solve the given question, properties of perpendicular lines angles should be applied.
113 + z = 180 (supplementary angles)
z = 180 - 113
z = 67°
113 = 12x + 17 (vertically opposite angles are equal)
12x = 113 - 17
12x = 96
x = 96/12
x = 8°
Hope it helps :)