- The two lines are parallel.
- When two lines are parallel and cut by a transversal, then the alternate exterior angles are equal.
- So, 17x + 2 = 18x - 2
- or, 18x - 17x = 2 + 2
- or, x = 4
Answer:
x = 4
Hope you could understand.
If you have any query, feel free to ask.
