Mathematics, 10.04.2020 17:12, taniyasmith

The row-echelon form of the augmented matrix of a system of equations is given. Find the solution of the system.
1 0 -1 -3
0 1 5 -4
0 0 1 1

A. x = -3
y = -9
z = 1

B. x = 2
y = -9
z = 1

C. x = -2
y = -9
z = 1

D. x = 3
y = -9
z = 1

Answers: 3

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The row-echelon form of the augmented matrix of a system of equations is given. Find the solution of...