kk0206
contestada

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

Respuesta :

Answer:

x=7

Step-by-step explanation:

5x-9=8x-30

8x-5x=-9+30

3x=21

x=21/3=7