Problem:
Add the two matrices
$\left(
\begin{array}{ccc}
 9 & 6 & -10 \\
 0 & -6 & 6 \\
\end{array}
\right)$ and
$\left(
\begin{array}{ccc}
 -8 & 5 & -4 \\
 -9 & 4 & -1 \\
\end{array}
\right)$
Answer:
\begin{array}{l}
 
\begin{array}{l}
 \text{Simplify the following}: \\
 \left(
\begin{array}{ccc}
 9 & 6 & -10 \\
 0 & -6 & 6 \\
\end{array}
\right)+\left(
\begin{array}{ccc}
 -8 & 5 & -4 \\
 -9 & 4 & -1 \\
\end{array}
\right) \\
\end{array}
 \\
\hline
 
\begin{array}{l}
 \left(
\begin{array}{ccc}
 9 & 6 & -10 \\
 0 & -6 & 6 \\
\end{array}
\right)+\left(
\begin{array}{ccc}
 -8 & 5 & -4 \\
 -9 & 4 & -1 \\
\end{array}
\right)=\left(
\begin{array}{ccc}
 9-8 & 6+5 & -10-4 \\
 0-9 & -6+4 & 6-1 \\
\end{array}
\right): \\
 \left(
\begin{array}{ccc}
 9-8 & 6+5 & -10-4 \\
 0-9 & -6+4 & 6-1 \\
\end{array}
\right) \\
\end{array}
 \\
 
\begin{array}{l}
 0-9=-9: \\
 \left(
\begin{array}{ccc}
 9-8 & 6+5 & -10-4 \\
 \fbox{$-9$} & -6+4 & 6-1 \\
\end{array}
\right) \\
\end{array}
 \\
 
\begin{array}{l}
 9-8=1: \\
 \left(
\begin{array}{ccc}
 \fbox{$1$} & 6+5 & -10-4 \\
 -9 & -6+4 & 6-1 \\
\end{array}
\right) \\
\end{array}
 \\
 
\begin{array}{l}
 6+5=11: \\
 \left(
\begin{array}{ccc}
 1 & \fbox{$11$} & -10-4 \\
 -9 & -6+4 & 6-1 \\
\end{array}
\right) \\
\end{array}
 \\
 
\begin{array}{l}
 -10-4=-(10+4): \\
 \left(
\begin{array}{ccc}
 1 & 11 & \fbox{$-(10+4)$} \\
 -9 & -6+4 & 6-1 \\
\end{array}
\right) \\
\end{array}
 \\
 
\begin{array}{l}
 10+4=14: \\
 \left(
\begin{array}{ccc}
 1 & 11 & -\fbox{$14$} \\
 -9 & -6+4 & 6-1 \\
\end{array}
\right) \\
\end{array}
 \\
 
\begin{array}{l}
 -6+4=-2: \\
 \left(
\begin{array}{ccc}
 1 & 11 & -14 \\
 -9 & \fbox{$-2$} & 6-1 \\
\end{array}
\right) \\
\end{array}
 \\
 
\begin{array}{l}
 6-1=5: \\
 \fbox{$
\begin{array}{ll}
 \text{Answer:} &  \\
 \text{} & \left(
\begin{array}{ccc}
 1 & 11 & -14 \\
 -9 & -2 & \fbox{$5$} \\
\end{array}
\right) \\
\end{array}
$} \\
\end{array}
 \\
\end{array}
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/add_w_steps/3348.txt'}