Question

Find the value of x that will make A||B9s + 45s + 20X = [?]ABEnter

Answer 1

The angles 9x + 4 and 5x + 20 are alternate interior angles, if they are congruent, then lines A and B will be parallel. Therefore:

9x + 4 = 5x + 20

9x - 5x = 20 - 4

4x = 16

x = 16/4

x = 4