R_{\mathrm{Th}} = 2 + 2||2 = 3(\Omega)
\displaystyle i_2 = 4,\;10 + 2i_1 + 2(i_1 - i_2) = 0\;\rightarrow\;i_1 = -\frac{1}{2}(\mathrm{A})
\displaystyle V_{\mathrm{oc}} = -2i_1 - 2i_2 = -7(\mathrm{V})
\displaystyle V_0 = -7 \times \frac{2}{2 + 3}= -\frac{14}{5}(\mathrm{V})
