Question

solve the given system of equation(matrices)

x +3y= 6
X-3y=12

Answer 1

Do you know how to put it in matrix form?

Answer 2

1 3 x 6
1 -3 y 12 ?

Answer 3

\[\left[\begin{matrix}1 & 3 & x \\ 1 & -3 & y\end{matrix}\right]=\left(\begin{matrix}6 \\ 12\end{matrix}\right)\]

Answer 4

Now find the inverse of the 2x2 matrix by ignoring the x and y