Thevenin and Norton Theories help

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The discussion centers on a Wheatstone bridge problem involving a 10 V DC power supply and various resistances, where the user seeks to derive the Thevenin equivalent model. The user calculated Rth as 2 ohms and Vth as 5.16 V, but these differ from the instructor's values of 1.42 ohms for Rth and 6.128 V for Vth. The user is looking for clarification on the calculation methods to reconcile these differences and is seeking tips for understanding Thevenin and Norton theories better. Visual aids, such as schematics, are requested to enhance comprehension of the problem. The conversation emphasizes the importance of accurate circuit analysis in deriving Thevenin equivalents.
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the problem presents a wheatstone bridge design, with a 10 V DC power supply. R1 is 2 ohms, R2 is 3, Rx (presented as R4 for this problem) is 4, the typical 'bridge' portion is replaced with a 1 ohm resistor (labeled R3), and where you usually have R3 you have a load, which is 5 ohms.
The problem asks to present a thevenin model for this same probelm, Vth and Rth.
My instructor has his answers posted, but not how he got them.

My answers came out with Rth = R1||R2+R3||R4 = 2||3+4||1 = 2
my Voltage obtained came out to Vth = R!/(R1 + R2||(R3+R4)) * Vs = 2/(2+3||(1+4))*10=5.16V
however for Rth my instructor has 1.42 ohms and for Vth he has 6.128

Can anyone help me see what I did wrong, how to get the values my teacher got (as I haven't been able to figure it out.) and possibly give any tips/tricks for thevenin and norton, as these guys are giving me a lot more trouble than I care for.
 
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I'd need to see the schematic.
 
You should post the pic of your question kinda becomes hard to visualize (rather lazy):)
 

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