Respuesta :

jacobEwing

Answer:

31

Step-by-step explanation:

You can solve this by remembering that angles on opposite quarters of intersecting lines will be equal to each other.

This means we can simply say:

3x + 7 = 100

3x = 93

x = 31

garimagiri

Step-by-step explanation:

3x + 7°= 100°

3x=100°-7°

3x=93

x=93/3

x=31

I guess its right.