Question

In the figure, AB || CD, then find the value of z​

Answer 1

Answer:

3z - 42 = 2z - 13 (alternate interior angles are equal)

3z-2z = 42-13

Therefore, z = 9

Answer 2

Answer:

3z -42=2z-13(alt. interior angles)

3z-2z=-13+42

z=29