The price of a book is RS 5 more than double the price of a pen. X is value of books and Y is the value of pen .then show the line

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1. Answer:

   Let the cost of a notebook be Rs. x and that of a pen be Rs. y.

   Given the cost of a notebook is twice the cost of a pen.

   Then x=2y

   or, x−2y=0.

   This is the required linear equation in two variable.

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