Answer:
x = 11
Step-by-step explanation:
∠CAB = ∠DCA = 33° ( alternate angles )
∠ACB = 180 - 5x ( straight angle )
the sum of all 3 angles in a triangle = 180°, hence
33 + 180 - 5x + 2x = 180
- 3x + 213 = 180 ( subtract 213 from both sides )
- 3x = - 33 ( divide both sides by - 3 )
x = 11
