Respuesta :

Answer:

  • z = 9

Step-by-step explanation:

  • It clearly has stated in the picture that 9z + 5 = 10z - 4. Now, let's solve.
  • => 9z + 5 = 10z - 4
  • => 4 + 5 = 10z - 9z
  • => 9 = z
  • => z = 9

Conclusion:

Hence, the answer is 9.

Hoped this helped.

[tex]BrainiacUser1357[/tex]