There should be 3 more of them.
6 vertically opposite
2 alternate interior angles
4 It is vertically opposite 2. I've forgotten how to name 4, but what I've said will prove it.
Answer:
x=3
Step-by-step explanation:
isolate the variable by dividing each side by factors that dont contain the variable
Answer:

Step-by-step explanation:

Are you solving for x? If you are it’s x=6