Given two matrices are equal.

We know that if two matrices are equal, then the elements of each matrix are also equal.

∴xy = 8 …… (1)

And ω = 4 ……(2)

And z + 6 = 0

⇒ z = – 6 ……(3)

x + y = 6 …… (4)

…… (from (1))

x = 2 or x = 4

∴ x = 2 or 4, z = – 6 and ω = 4