Respuesta :

Answer:

3x + 2x + 80=180

5x=100

x=20

edlyna

Answer:

x = 20°

Step-by-step explanation:

straight line= 180°

given on above is that :

80° + 2x + 3x =180°

@

80° + 5x = 180°

180° - 80° = 100°

5x = 100°

100/5x= 20°

x= 20°

  • correct me if i'm wrong i'm learning too :))))