Respuesta :

Step-by-step explanation:

1. prove congruency

[tex]75 = (8x - 5) \: ( the \: angles \: are \: equal \: proven \: from \: congruency)\\ 75 + 5 = 8x \\ 80 = 8x \\ x = 10[/tex]

Remember that for this to work prove congruency first