Answer:
z = 5
Step-by-step explanation:
[tex]15z = - 2( - 11z + 10) - 15[/tex]
[tex]15z = 22z - 20 - 15[/tex]
[tex]15z = 22z - 35[/tex]
[tex]15z = - 22z = - 35[/tex]
[tex] - 7z = - 35[/tex]
[tex]z = 5[/tex]
