Question

Given mn, find the value of x.
t
(7x-1)⁰
(5X-23)°

Answer 1

`(5x - 23) + (7x - 1) = 180 \\ 5x + 7x - 23 - 1 = 180 \\ 12x - 24 = 180 \\ 12x = 180 + 24 \\ 12x = 204 \\ (12x)/(12) = (204)/(12) \\ x = 17`

x=17°

I used the reasons CORRESPONDING ANGLES AND ANGLES ON A STRAIGHT LINE.