Solve for x.
x= 5°
x= 18°
x= 30°
x= 36°

Answer:
x = 36, D
Step-by-step explanation:
Because it is on a straight line, those 2 angles must equal 180.
We can make an equation:
180 = 3x+2x --> solve for x
180 = 5x
36 = x