I want to apply nodal analysis at the red marked node of the above circuit. Here is my equation :
$$0.2v_0 - i_0 - 5 + \frac{v_3}{40} + \frac{v_3 - v_2}{10} = 0$$
My equation includes a supernode formed due to the dependent voltage source $$4v_0$$
Is my equation correct for nodal analysis?