Help Plz again plzzzzzzzzzzzzzzzz





The angles are adjacent because they are next to each other adding to 90 degrees.
How do we find x?
Angle 1 + Angle 2 = 90°
31° + (10x - 1)° = 90°
10x + 30 = 90°
10x = 90° - 30
10x = 60°
x = 60°/10
x = 6
Answer: Adjacent and x = 6.