Please I need help with this. ANYONE!!

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