Solve the equation for x, y, z and t, if

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

2x + 3 = 9

⇒ 2x = 6

⇒ x = 3

2y = 12

⇒ y = 6

2z -3 = 15

⇒ 2z = 18

⇒ z = 9

2t +6 = 18

⇒ 2t = 12

⇒ t = 6

Therefore, x = 3, y =6, z = 9 and t = 6.