Question: x1 - 3x2 + x3 = 4 2x1 - x2 = - 2 4x1 - 3x3 = 0 Solve by Cramer's rule, where it applies.

x1 - 3x2 + x3 = 4
2x1 - x2 = - 2
4x1 - 3x3 = 0
Solve by Cramer's rule, where it applies.

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