Help with Loops & Currents for Exam Revision

[Quadrophenia]

Help - Loops Currents. :(

hey there I'm revising for an exam and i can't really do loop currents
i was trying to do this sum http://mathonweb.com/help/backgd4.htm (example2) but kept getting the rong sign for equations (for shared resistors):( could someone please explain to me!
thanx in advance.

 

[dlgoff]

Can you show what you've done? Maybe we can help then.

Regards

P.S. Welcome to PF.

 

[Quadrophenia]

alright thanx..i'm sorted now..i was making a silly mistake.. of not adding the current since they were in the same directions! we've done example of the opposite so that's why i subtracting :) thanks for the reply.