Question

50 points! Identify the correct solution(s) to -y+z(1/2+8)=5z+8, where y=6.

Round answers to 2 decimals places when checking, if necessary.

Select all that apply
A. Z = 4
B. Z = 0.74
C. Z = -0.44

Answer 1

A. 4

Explanation:

-6 + 1/2z + 8z = 52 + 8

-5z + 2½ + 8z = 8 + 6

-10z + 2z + 16z / 2 = 14

cross-multiply

28/8 = 8z/8

z = 3.5

nearest whole number = 4