Answer:
x = 183
Step-by-step explanation:
(x -73)° + x° +67° = 360°
x-73+ x +67 = 360
x + x -73 +67 = 360
2x-6 = 360
2x = 360+6
x = 366÷2
Check:
(183 - 73) = 110° , x = 183° , 67°
110° + 183° + 67° = 360°
