Answer:
Sol set = {12, 13, 14, 15, 16, 17,....... ".}
Step-by-step explanation:
[tex](z + 4) > 15 \\ z + 4 > 15 \\ z > 15 - 4 \\ z > 11 \\ z = \{12, \: 13, \: 14, \: 15, \: 16, \: 17, ........... \}[/tex]