In Problems 1122, use elementary row operations to transform each augmented coefficient matrix to echelon form. Then
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In Problems 11–22, use elementary row operations to transform each augmented coefficient matrix to echelon form. Then solve the system by back substitution.
3x1 + x2 - 3x3 = 6
2x1 + 7x2 + x3 = -9
2x1 + 5x2 = -5
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Related Book For
Differential Equations And Linear Algebra
ISBN: 9780134497181
4th Edition
Authors: C. Edwards, David Penney, David Calvis
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