To use: the matrices to solve the system of equations using Gaussian elimination with back substitution.
Answer to Problem 88RE
The solution of above system of equations is
Explanation of Solution
Given information :
Writing the above system of equation in the matrix form,
Writing the matrix in the augmented form,
Applying Gaussian elimination,
Using back substitution,
Further,
Further,
Further,
The solution of above system of equations is
Chapter 7 Solutions
Precalculus with Limits: A Graphing Approach
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