Question
Find the value of ' $x$ ' and ' $y$ ' if :
$
2\left[\begin{array}{cc}
x & 7 \\
9 & y-5
\end{array}\right]+\left[\begin{array}{cc}
6 & -7 \\
4 & 5
\end{array}\right]=\left[\begin{array}{cc}
10 & 7 \\
22 & 15
\end{array}\right]
$
2\left[\begin{array}{cc}
x & 7 \\
9 & y-5
\end{array}\right]+\left[\begin{array}{cc}
6 & -7 \\
4 & 5
\end{array}\right]=\left[\begin{array}{cc}
10 & 7 \\
22 & 15
\end{array}\right]
$
