Step-by-step explanation:
the value of 5x-2 should be 78° ( by vertically opposite angle)
so, after inserting values we got
5x - 2 = 78
→ 5x = 78 + 2 = 80
→ 5x = 80
→ x = 80/5 = 16
→ x = 16
therefore value of x is 16.
hope this answer helps you dear take care and hope u have great day ahead!
