If , find the values of x and y.

On comparing the corresponding elements of these two matrices, we get,

2x –y = 10 and 3x + y =5

Now, adding above two equations, we get

5x = 15

⇒ x = 3

Now, 3x + y = 5

⇒ y = 5 - 3x

⇒ y = 5 - 9 = -4

Therefore, x = 3 and y = -4.