Question Using Kirchoff Voltage & Current Loop,
i1 + i2 = i3 ------1
i2*R2 + i3*R3 = V2
i2*10.0 + i3 * 5.0 = 10.0 -----2
i1*R1 - V1 + i3*r3 = 0
i1*15.0 + i3*5.0 = 15.0 ---------3

Soilving eq 1, 2 & 3
i1 = 0.636 A
i2 = 0.455 A
i3 = 1.09 A

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