
Precalculus with Limits
3rd Edition
ISBN: 9781133947202
Author: Ron Larson
Publisher: Cengage Learning
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Question
Chapter 8.1, Problem 66E
To determine
To solve:The system of linear equations using Gaussian elimination method with back-substitution.
Expert Solution & Answer

Answer to Problem 66E
Thesolution of the given system is
Explanation of Solution
Given information:
The system of equations is
Calculations:
Writing the given system of linear equations in the augmented matrix form, we have
Performing the row operations to bring it in row-echelon form, we get
Now, the matrix is in row-echelon form, and writing it in the system form, we have
Substituting
Conclusion:
Therefore, the solution of the given system is
Chapter 8 Solutions
Precalculus with Limits
Ch. 8.1 - Prob. 1ECh. 8.1 - Prob. 2ECh. 8.1 - Prob. 3ECh. 8.1 - Prob. 4ECh. 8.1 - Prob. 5ECh. 8.1 - Prob. 6ECh. 8.1 - Prob. 7ECh. 8.1 - Prob. 8ECh. 8.1 - Prob. 9ECh. 8.1 - Prob. 10E
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