Question

Explain what type of angles are labeled and what you know about these types of angles that also allowed you to set up an equations to solve. And then what equation did you use to solve this question

Find the value of x.

Answer 1

alternate exterior angles are equivalent
7x + 30 = 9x
30 = 9x - 7x
30 = 2x
30/2 = x
15 = x <===

7x + 30 = 7(15) + 30 = 135
9x = 9(15) = 135