Use Cramer's rule to solve the system. 2x1 + X2 - 3x1 = 12 + X3 = - 15 + %3D X2 + 2x3 = - 4 %3D

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Q: Please explain your answer in detail. Use Cramer's rule to solve the system. 2x, + X2 = 12 - 3x1 + X...

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