![\left[\begin{array}{ccc}3&2&-1\\1&-2&-4\\2&1&2\end{array}\right] *\left[\begin{array}{c}x\\y\\z\end{array}\right] =\left[\begin{array}{c}17\\5\\5\\\end{array}\right]](/tpl/images/1386/2685/791f4.png)
Use a matrix to solve the system:
3x + 2y – z = 17
x - 2y - 4z = 5
2x + y + 2z = 5...
Mathematics, 29.06.2021 23:30 lemusanaisabel6064
Use a matrix to solve the system:
3x + 2y – z = 17
x - 2y - 4z = 5
2x + y + 2z = 5
Answers: 3
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