Answer:
x = 16
z = 87
Explanation:
a line has a measure of 180°
(8x - 41) + (11x - 83) = 180
8x - 41 + 11x - 83 = 180
19x = 180 + 41 + 83
19x = 304
x = 16
substitute x = 16
(11x - 83) + z = 180
11(16) - 83 + z = 180
176 -83 + z = 180
93 + z = 180
z = 180 - 93
z = 87