309,915 views
5 votes
5 votes
angle A and angle B are vertical angles. If angle A= (5x – 9)° and angle B = (8x – 30) then find the value of x.

User YasirAzgar
by
2.7k points

1 Answer

22 votes
22 votes

Answer:

x=7

Explanation:

5x-9=8x-30

8x-5x=-9+30

3x=21

x=21/3=7

User Edthrn
by
2.3k points