Mathematics, 24.02.2020 18:27 lalala1212
Solve the system of equations by finding the reduced row-echelon form of the augmented matrix for the system of equations.
2x + 2y + 4z = 16
5x-2y+3z= -1
x+2y-3z=-9
Answers: 3
![\left[\begin{array}{ccc|c}2&2&4&16\\5&-2&3&-1\\1&2&-3&-9\end{array}\right]](/tpl/images/0521/3816/696c8.png)
![\left[\begin{array}{ccc|c}1&1&2&8\\5&-2&3&-1\\1&2&-3&-9\end{array}\right]](/tpl/images/0521/3816/5d689.png)
![\left[\begin{array}{ccc|c}1&1&2&8\\0&-7&-7&-41\\0&1&-5&-17\end{array}\right]](/tpl/images/0521/3816/83fed.png)
![\left[\begin{array}{ccc|c}1&1&2&8\\0&1&-5&-17\\0&-7&-7&-41\end{array}\right]](/tpl/images/0521/3816/4487f.png)
![\left[\begin{array}{ccc|c}1&1&2&8\\0&1&-5&-17\\0&0&-42&-160\end{array}\right]](/tpl/images/0521/3816/7e803.png)
![\left[\begin{array}{ccc|c}1&1&2&8\\0&1&-5&-17\\0&0&1&\frac{80}{21}\end{array}\right]](/tpl/images/0521/3816/fdf5b.png)
![\left[\begin{array}{ccc|c}1&1&2&8\\0&1&0&\frac{43}{21}\\0&0&1&\frac{80}{21}\end{array}\right]](/tpl/images/0521/3816/9727f.png)
![\left[\begin{array}{ccc|c}1&0&0&-\frac53\\0&1&0&\frac{43}{21}\\0&0&1&\frac{80}{21}\end{array}\right]](/tpl/images/0521/3816/5eba7.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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