Respuesta :

kmvis

Answer:

11+3z

Step-by-step explanation:

You would combine the like terms, 9+4-2 is 11 and 6z-3z=3z

Answer:

[B] 11 + 3z

Explanation:

9 − 3z + 4 + 6z − 2

  • Group Like Terms

-3z + 6z + 9 + 4 - 2

  • Add Similar Elements: -3z + 6z = 3z

3z + 9 + 4 - 2

  • Add / Subtract: 9 + 4 - 2 = 11

3z + 11

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