Answer: In Exercises 105 and 106, use Cramers Rule to
Chapter , Problem 105(choose chapter or problem)
In Exercises 105 and 106, use Cramers Rule to solve for the indicated variable. Solve for x3; x1 - 3x2 + x3 + 2x4 = 32x1 + 7x2 - 3x3 + x4 = 2-x1 + 4x2 + 2x3 - 3x4 = -13x1 + x2 - x3 - 2x4 = 0
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