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Start the plan\begin{array}{|c|c|c|c|}
\hline
+ & x & y & z \\ \hline
4 & 1 & -5 & m \\ \hline
e & 7 & n & 10 \\ \hline
f & 2 & -4 & -5 \\
\hline
\end{array}
In the addition table shown above, what is the value of \(m+n=\)?
A. -19
B. 4
C. 5
D. 6
E. 22
OA C













