Respuesta :

[tex]\begin{gathered} (\frac{3}{5}z-14)+(\frac{1}{5}z+15) \\ \\ \text{Combine like terms:} \\ =(\frac{3}{5}z+\frac{1}{5}z)+(-14+15) \\ \\ =\frac{4}{5}z+1 \end{gathered}[/tex]