Step-by-step explanation:
Y=

Hence, x=-1 and y=18
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°
Infinitely many.........
its the answer..
hope it helps u......
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