Mathematics, 04.07.2019 03:30, lizatapper3086
Solve the system of equations by finding the reduced row-echelon form of the augmented matrix for the system of equations. x-y+4z=23 2x-y+z=-1 6x+4y+2z=-44 a. (-60, -53, 62) b. (-6, -5, 6) c. (-60, -5, -53) d. ( -6, -5, -53)
Answers: 1
![\left[\begin{array}{cccc}1&-1&4&23\\2&-1&1&-1\\6&4&2&-44\end{array}\right]\\\\R_{2}\rightarrow R_{2}-2 R_{1} ,R_{3}\rightarrow R_{3}-6 R_{1} ,\left[\begin{array}{cccc}1&-1&4&23\\0&1&-7&-47\\0&10&-22&-182\end{array}\right]R_{3}\rightarrow R_{3}-10 R_{2}\\\\\left[\begin{array}{cccc}1&-1&4&23\\0&1&-7&-47\\0&0&48&288\end{array}\right]](/tpl/images/0048/7879/63c11.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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