If the utility is $U = \ln x + 2 \ln y$, how do you compute Walrasian equilibrium via usual formula for demand $x=a(x p_x + y p_y)/p_x(a+b)$ ?
What is $a$ and $b$?
In case of Cobb-Douglas function like $U=x^3y^4$ it would be simple: $a=3$ and $b=4$, but in this case how is it computed?