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Consider the following vector equation. x_{1}\left[\begin{array}{c} 5 \\ 7 \\ -6 \end{array}\right]+x_{2}\left[\begin{array}{c} -4 \\ 9 \\ -7 \end{array}\right]=\left[\begin{array}{l} 7 \\ 9 \\ 7 \end{array}\right]
Fig: 1
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Fig: 3
