steps in the process of simplifying the given matrix to​ row-echelon form, with 1s down the diagonal from upper left to lower​ right, and 0s below the​ 1s, are shown. Fill in the missing numbers in the steps that are shown. 1 2 3 −8 2 −3 3 −25 3 −1 −4 7 → 1 2 3 −8 0 −7     0 −7       → 1 2 3 −8 0 1     0 −7

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter6: Linear Systems
Section6.2: Guassian Elimination And Matrix Methods
Problem 22E
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A few steps in the process of simplifying the given matrix to​ row-echelon form, with 1s down the diagonal from upper left to lower​ right, and 0s below the​ 1s, are shown. Fill in the missing numbers in the steps that are shown.
1 2 3 −8
2 −3 3 −25
3 −1 −4 7
1 2 3 −8
0 −7    
0 −7    
 
1 2 3 −8
0 1    
0 −7    
Fill in the missing numbers. 
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