Problem 9. Kirchhoff's current law states that the algebraic sum of all the currents flowing into a junction is 0. Kirchhoff 's voltage law states that the algebraic sum of all the voltages around a closed circuit is 0. Use Kirchhoff's laws and Ohm's law (V = RI) to setting up the system of linear equations for the circuit depicted in the figure. R1 A R3 I3 하 Vị 72 V3 VA VB R2 2 Given the voltages VA, VB and the resistors R1, R2, R3. Find I1, I2, I3. 2,

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A: The given system of equations

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