Mathematics, 03.10.2019 03:00 wileycheyennem
(1 point) linear system - three variables solve the following system of equations using gaussian elimination method. if there are no solutions, type "n" for both x, y and z. if there are infinitely many solutions, type "z" for z, and expressions in terms of z for x and y. 6x + 8y + 72 = -3 - 3x + 6y + 6z = 5 2x – 9y – 32 = 7
Answers: 3
≈ -5.1857
≈ -5.4857
≈ 3.7262
![\left[\begin{array}{cccc}6&8&0&-75\\-3&6&6&5\\2&-9&0&39\end{array}\right]](/tpl/images/0285/0550/b811e.png)
![\left[\begin{array}{cccc}-3&6&6&5\\2&-9&0&39\\6&8&0&-75\end{array}\right]](/tpl/images/0285/0550/bcce2.png)
![\left[\begin{array}{cccc}-3&6&6&5\\2&-9&0&39\\0&20&12&-65\end{array}\right]](/tpl/images/0285/0550/3fc18.png)
![\left[\begin{array}{cccc}-3&6&6&5\\0&-15&12&127\\0&20&12&-65\end{array}\right]](/tpl/images/0285/0550/af31f.png)
![\left[\begin{array}{cccc}-3&6&6&5\\0&-15&12&127\\0&0&420&1565\end{array}\right]](/tpl/images/0285/0550/0436e.png)
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(1 point) linear system - three variables solve the following system of equations using gaussian eli...
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