Respuesta :

Hello there! :)

-3z-z

-4z

We can always add and subtract like terms (same variables)

Hope it helps!

If you have any query, feel free to ask me! :)

~A gloomy gal

[tex]MagicalNature[/tex]

chillinganime

Answer:

-4z

Step-by-step explanation:

-3 and -1 are like terms because they have the same variable

-3 - 1 = -4