Respuesta :

Answer:

U have to solve this equation

[tex](5z + 5) \: + \: (7z + 4)[/tex]

[tex]5z + 5 - 7z - 4[/tex]

[tex]5z - 7z + 5 - 4[/tex]

[tex]2z + 1[/tex]

hope this helps you !!