Question

Five book and seven pen together cost is 79 whereas 07 books and 05 pen together cost 77 respresent this situatiin in the form of linear equation in two variables

Answer 1

answer that ive sent is incomplete... i want the student him/herself to attempt by using any of the 3 methods

Answer 2

Let the costs of book and pen be 'x' and 'y' respectively.

As per 1st given condition,

5x + 7y = 79............(1)

As per 2nd given condition,

7x + 5y = 77............(2)

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