Question

Form the pair of linear equations: 5 pencils and 7 pens cost rs.50 whereas 7 pencils and 5 pens cost rs.46 Form linear equation​

Answer 1

Answer:

let the cost of one pencil = x

let the cost of one pen. =. y

according to question

5x+7y = ₹50

7x+5y. = ₹46