104º
(9y - 5)º
(12x + 2019
Solve for x

12x+20=104 (vertically opposite angles)
-20 on each side
12x=84
÷12 on each side
x=7
hope that helps^^
Answer:
x = 7.
Step-by-step explanation:
12x + 20 = 104 (Vertical angles are congruent).
12x = 84
x = 7.