Okay, here we have this:
Considering the provided equation, we are going to solve it, so we obtain the following:
[tex]\begin{gathered} -\frac{1}{3}=\frac{j}{4}-\frac{10}{3} \\ \frac{j}{4}-\frac{10}{3}+\frac{10}{3}=-\frac{1}{3}+\frac{10}{3} \\ \frac{j}{4}=3 \end{gathered}[/tex]