Mathematics, 27.06.2021 20:50 canonmille2
Solve the system of equations by finding the reduced row-echelon form of the augmented matrix for the system of equations.
x + y - z = -2
2x - y + 3z = 9
x - 4y - 2z = 1
Answers: 3
![[ \ swap \ R_1 \ and \ R_2 \ ]](/tpl/images/1384/8722/dbbed.png)
![[ \ R_2 = R_2 - \frac{1}{2} R_1 \ ]](/tpl/images/1384/8722/c0600.png)
![[ \ R_3 = R_3 - \frac{1}{2} R_1 \ ]](/tpl/images/1384/8722/d8c66.png)
![[ \ swap \ R_2 \ and \ R_3 \ ]](/tpl/images/1384/8722/5db8c.png)
![[ \ R_3 = R_3 + \frac{3}{7}R_2 \ ]](/tpl/images/1384/8722/f4f46.png)
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Solve the system of equations by finding the reduced row-echelon form of the augmented matrix for th...
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