Answer:
[tex]x = 4 \\ z = 106[/tex]
Step-by-step explanation:
[tex](5x + 86) + (10x + 34) = 180 \\ 15x + 120 = 180 \\ 15x = 180 - 120 \\ 15x = 60 \\ \\ x = \frac{60}{15} \\ \\ x = 4[/tex]
[tex](5x + 86) = 5(4) + 86 = 20 - 86 = 106[/tex]
Z= 106 —> Opposite angles
I hope I helped you^_^
