We have the equation:
[tex]\begin{gathered} 12\cdot z=108 \\ \text{Divided all by 12, we have:} \\ \frac{12\cdot z}{12}=\frac{108}{12} \\ z=\frac{108}{12}=9 \end{gathered}[/tex]To solve this equation we just need to isolate z, in this case we pass the 12 dividing.
