Respuesta :

Answer:

x=8

Step-by-step explanation:

10x-20=7x+4

This is because the two angles are vertical.

10x-7x=4+20

3x=24

x=8

Answer:

x = 8

Step-by-step explanation:

10x - 20 = 7x + 4

3x = 24

x = 8