Solution: In Exercises 25-28. the first screen shows the augmented matrix, A ,for a
Chapter 6, Problem 28(choose chapter or problem)
In Exercises 25-28. the first screen shows the augmented matrix, A ,for a noruquare linear Jystem of three equations in four variables. w, x, y, and z. The second Jcreett Jhows the reduced row-echelon form of matrix A. For each exercise. a. Write the system represe/Jied by A. b. Use the reduced row-echelon form of A 10 find the systeml" complete solution. Al1 1 0 1 1 01[ 1 -1 2 3 01 [3 -2 57 011
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