Question

Find the value of the variable and YZ if Y is between X and Z. XY= 11d, YZ=9d-2, XZ=5d+28

Answer 1

d = 2

YZ = 16

Explanation:

X-Y-Z

so XY + YZ = XZ

11d + (9d -2) = 5d + 28

11d + 9d - 5d = 28 + 2

15d = 30

d = 30/15 = 2

YZ = 9d - 2 = 9(2) - 2 = 18 - 2 = 16