Respuesta :

Answer:

x=17  z=69

Step-by-step explanation:

5x-16 + 9x-42 = 180 (straight line = 180 degrees)

Add like terms

14x - 58 = 180

[tex]\frac{14x}{14}=\frac{238}{14}[/tex]

x = 17

Plug x back in

5x - 16 = z (angles are equal)

5(17) - 16 = z

85 - 16 = z

z = 69