Q55 of 146 Page 52

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.

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