Question

z divided by 3-2z + 4(z-8) when z = 18

A. -122
B. 6
C. -66
D. 10

Answer 1

Everywhere you see z, replace the letter with 18.

z/[(3- 2z)] + 4(z - 8)

18/[(3 - 2(18))] + 4(18 - 8)

You finish.