Question

Find the value of z.
PLEASE HELP ASAPP!!!!
A. 25.25
B. 51
C. 129
D. 76.25

Answer 1

Answer:

Option A, 25.25

Step-by-step explanation:

x = (54+204)/2 = 129

180-129 = 51

So,

(3z+1+z)/2 = 51

or, 4z+1=102

or, 4z=101

or, z = 25.25