If 
then the value of x + y is
Given,
By equality of two matrices, we have-
4x = x + 6
⇒ 3x = 6 ⇒ x = 2
Also, 2x + y = 7
⇒ y = 7 – 2x = 7 – 4 = 3
∴ y = 3
As only option (B) matches with our answer.
∴ Option(B) is the correct answer.
55
If then the value of x + y is
Given,
By equality of two matrices, we have-
4x = x + 6
⇒ 3x = 6 ⇒ x = 2
Also, 2x + y = 7
⇒ y = 7 – 2x = 7 – 4 = 3
∴ y = 3
As only option (B) matches with our answer.
∴ Option(B) is the correct answer.