![\left \{ {{x+y+z=2} \atop {4x+y+z=14}} \ \atop {x-y+4z=-14}} \right\}\rightarrow \left[\begin{array}{ccc}1&1&1:2\\4&1&1:14\\1&-1&4:-14\end{array}\right]](/tpl/images/0527/0730/27e7a.png)
![\left[\begin{array}{ccc}1&1&1:2\\0&-3&-3:6\\0&-2&3:-16\end{array}\right]](/tpl/images/0527/0730/842e9.png)
![\left[\begin{array}{ccc}1&1&1:2\\0&1&1:-2\\0&-2&3:-16\end{array}\right]](/tpl/images/0527/0730/0efd3.png)
![\left[\begin{array}{ccc}1&0&0:4\\0&1&1:-2\\0&0&5:-20\end{array}\right]](/tpl/images/0527/0730/b8155.png)
![\left[\begin{array}{ccc}1&0&0:4\\0&1&1:-2\\0&0&1:-4\end{array}\right]](/tpl/images/0527/0730/d677f.png)
![\left[\begin{array}{ccc}1&0&0:4\\0&1&0:2\\0&0&1:-4\end{array}\right]](/tpl/images/0527/0730/a36c5.png)
I was never good with fractions, could someone help?
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Answers: 2
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