Answer:
n = 40°
Explanation:
y = 180-53-32
y= 95° ( verically opposite angles; angles on a straight line)
180-135 = 45°
therefore
y° + 45° + n° = 180° ( interior angles of a triangle add up to 180°)
95° + 45° + n° = 180°
140 + n = 180
n = 180- 140
n= 40°