9514 1404 393
Answer:
x = 60
Step-by-step explanation:
You are correct that the angles are complementary.
That means their sum is 90°.
(x -30)° + x° = 90°
2x -30 = 90 . . . . . . . divide by °, collect terms
2x = 120 . . . . . . . . . . add 30
x = 60 . . . . . . . . . . . . divide by 2
