Answer
z<5.4
![](https://gradesaver.s3.amazonaws.com/uploads/solution/1045cc2b-af7b-4c84-8f2e-0e718182f7ce/result_image/1529015674.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAJVAXHCSURVZEX5QQ%2F20240727%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20240727T021652Z&X-Amz-Expires=900&X-Amz-SignedHeaders=host&X-Amz-Signature=593dd2a6ed38865453a93ced01108d6400db6bfa6e60d708fd3719cacaf3732e)
Work Step by Step
.You have the inequality 8.6+z$\lt$14 and you have to solve for z:
8.6+z<14⟶ subtract 8.6 from each side
z<5.4.
Check the inequality:
8.6+4 $\lt$14
12.6$\lt$14.
It is correct.
You graph using an open circle since 5.4 is not included in the solution.