1) Find Norton and Thevenin equivalents.
2) Use a series of Norton-Thevenin and series/parallel transformations to reduce a circuit shown into the single-loop circuit. Then, find current I. (Current I is between two nodes at the botom of (1) circuit!)
The Attempt at a Solution
My way of solution is presented on these pictures.
I have got two exercises which I try to solve.
Thanks for help in advance!