[tex]8(s-12)\ge16[/tex]
open the bracket
[tex]8s-96\ge16[/tex]
add 96 to both sides
[tex]\begin{gathered} 8s-96+96\ge16+96 \\ 8s\ge112 \end{gathered}[/tex]
divide both sides by 8
[tex]\begin{gathered} \frac{8s}{8}\ge\frac{112}{8} \\ s\ge14 \end{gathered}[/tex]
