Two adjacent angles have a sum of 100°. The angles have measures 21 = 20° and 22 = (3x + 15)°. What
equation can be used to solve for x? (1 point)
The equation that can be used to solve for x is:
21° + (3x + 15)° = 100°
equation can be used to solve for x? (1 point)
21° + (3x + 15)° = 100°