Since they are supplementary angles (180°)
45° + (2x-5)° = 180°
(2x-5)° = 180° - 45°
(2x-5)° = 135°
2x° = 135° - 5°
2x° = 130°
x° = 130/2°
x° = 65°
Answer:
x=70
Step-by-step explanation:
2x° = 135° + 5°
2x° = 140°
x° = 140/2°
x° = 70°
