2
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I can't understand why the answer is like in the picture and not R = [ ( 4 + 6 ) // 8 ] + 2. Isn't 4 in series with 6 and parallel to 8 ?

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  • \$\begingroup\$ Try drawing the current paths from the node just above the arrow to the node just below the arrow. \$\endgroup\$ – stefandz Aug 14 '15 at 18:48
4
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You can follow the below steps. Naming the nodes is usually useful to see the next step.

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6th step is 4+2=6

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