Answer
\[
M=
\left[ {\begin{array}{cc}
7 \\
1 \\
7
\end{array} } \right]
\]
Work Step by Step
We multiply rows and columns,
\[
M=
\left[ {\begin{array}{cc}
10-3 \\
1 \\
7
\end{array} } \right]
\]
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