Answer:
[tex] \frac{ - 11s - 4}{8} = 5 \\ \frac{ - 11s - 4}{8} \times 8 = 5 \times 8 \\ - 11s - 4 = 40 \\ - 11s - 4 + 4 = 40 + 4 \\ - 11s = 44 \\ s = \frac{44}{ - 11} \\ s = - 4[/tex]