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## Homework Statement

Man, I stink at circuits. I have to simplify the 1st circuit in the image below to an equivalent resistance. I am almost there, but I am unsure of how to relate the remaining 3 resistances. In the drawing, a subscript

*R*denotes the equivalent resistance of the two parallel resistors i and j; similarly,

_{i||j}*R*is the equivalent resistance of the two series resistors i and j.

_{i+j}Now, I am not sure how to relate [itex]R_1,\,R_{(3||4)+5},\,R_2[/itex] and I think my confusion lies in the fact that I do not know what is going on with the current in this last circuit. Can someone help me out with that?