Answer :
[tex]-\frac{5}{6}e-\frac{2}{3}e=-24[/tex]
Resolviendo para e:
[tex]\begin{gathered} -\frac{3}{2}e=-24 \\ \frac{3}{2}e=24 \\ 3e=24\cdot2 \\ 3e=48 \\ e=\frac{48}{3} \\ e=16 \end{gathered}[/tex]