Respuesta :

Answer:

x = 102

z = 21

Step-by-step explanation:

x and 78 are same side alternate exterior angles, so they are supplementary.

x + 78 = 180

x = 102

5z - 27 and x are a linear pair, so they are supplementary.

5z - 27 + x = 180

5z - 27 + 102 = 180

5z = 105

z = 21