Question

how to calculate the current in all branches of circuit

looks like this [b]= battery both batterys have positive north. [r]= resistor

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[r] 2ohm [r]5ohm [r]3ohm
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[b]10v | [b]8v
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Answer 1

use super position principle, first replace one battery by short, find the current in all branches, then short this battery, and find the currents due to other battery, the current in each branch is due to the the sum of currents by the two batteries