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Find the difference between the sum of (x + y + z) and the Trace upper triangular matrix formed by using the gauss elimination method.
\( \begin{bmatrix} 1& 3 & 2 \\[0.3em] 2& 4 & -6 \\[0.3em] 1 & 5 &3 \end{bmatrix} \begin{bmatrix} x \\[0.3em] y\\ z \end{bmatrix} = \begin{bmatrix} 5\\ -4\\ 10 \end{bmatrix} \)
1
6
2
8
3
10
4
12