Answer:
The angles are a linear pair.
x = 18
Explanation:
The angles are a linear pair, meaning the angles add up to 180 degrees.
(9x - 15) + (2x - 3) = 180
11x - 18 = 180
11x = 198
straight angle
9x_15+2x_3=180
11x_18=180
11x=180+18
11x=198
x=198÷11
x=18
1.6m questions
2.0m answers