Answer:
angle A = 130°
x=65°
I hope it's helps you
(2x - 30°) + 50° = 180° (linear pair angles)
2x + 20° = 180°
2x = 180° - 20°
2x = 160°
x = 160°/2 = 80°
Now, A = 2x - 30° = 160°-30° = 130°
