Q. 134.4( 8 Votes )

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Answer :

Given:


To Find: Value of y


From the matrix representation we get,


x + 2y = 5 and 2x + y = 4


Eliminating x from both the equations we get,


2x + y – 2x – 4y = 4 – 10


-3y = -6


y = 2


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