Respuesta :

Hrishii

Answer:

x = 40

Step-by-step explanation:

[tex](3x - 10) \degree = (2x + 30) \degree \\ (vertical \: \angle s) \\ \\ \\ 3x - 10 = 2x + 30 \\ \\ 3x - 2x = 30 + 10 \\ \\ x = 40[/tex]