Answer:
x = 20
x + 15 = 35
4x - 45 = 35
Step-by-step explanation:
Since the angles are vertical, they are equal to eachother:
x + 15 = 4x - 45
-x -x
---------------------
15 = 3x - 45
+45 +45
---------------------
60 = 3x
------ ------
3 3
20 = x
x + 15
(20) + 15
35
4x - 45
4(20) - 45
80 - 45
35
Hope this helped.
