If `[x+y x-y]=[2 1 4 3][1-2]` , then write the value of `(x ,\ y)` .

Explanation

To solve the equation given in the problem, we will follow these steps:

### Step 1: Write the matrix equation
The matrix equation given is:
\[
\begin{bmatrix}
x+y & x-y
\end{bmatrix} = \begin{bmatrix}
...