Using mesh analysis, determine the current I3 for the network of given figure, and compare your answer to the solution of given Problem.
Problem
For the network of given figure:
a. Write the equations necessary to solve for the branch currents.
b. By substitution of Kirchhoff's current law, reduce the set to three equations.
c. Rewrite the equations in a format that can be solved using third-order determinants.
d. Solve for the branch current through the resistor R3.
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