Hi,
Two angles are complementary
Let x and (90°-x) represent the first and second angle respectively
Write as we Read***
x + (90° -x )/2 = 76°
solving for x
x/2 + 45° = 76°
x/2 = 31°
x = 62°, the first angle, the second is 28°
CHECKING our Anwser***
62° + 14° = 76 °