Respuesta :

Answer:

-4z

Step-by-step explanation:

-3z-z

= -4z

Tasyha

Answer:

-4

Step-by-step explanation:

[tex] - 3z - z[/tex]

[tex] - 3z - 1z[/tex]

[tex]( - 3 - 1)z = - 3 - 1[/tex]

[tex] - (3 - 1)[/tex]

[tex] = - 4z[/tex]