Determine the value of matrices — task. Mathematics State Board, Class 10.

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Determine

$5A - 5B + C$ ,

$A = \begin{bmatrix} 6 & 3 & 7\\ 8 & 3 & -1\\ -3 & 1 & 8 \end{bmatrix}, B =\begin{bmatrix} 10 & 7 & 3\\ 7 & 5 & 3\\ 7 & 3 & 3 \end{bmatrix}, C =\begin{bmatrix} 14 & 14 & 6\\ 3 & 7 & 3\\ 9 & 2 & 6 \end{bmatrix}$

$\begin{bmatrix} -6 & -6 & 26\\ 8 & -3 & -17\\ -41& -8 & 31 \end{bmatrix}$
$\begin{bmatrix} -6 & -6 & 26\\ 12 & -3 & -17\\ -41 & -8 & 40 \end{bmatrix}$
$\begin{bmatrix} -6 & -6 & 26\\ 8 & -3 & -17\\ -41 & -8 & 31 \end{bmatrix}$

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12. Determine the value of matrices

Exercise condition: