Question

a cost of book is twice of the cost of pen write this statement algebraically as linear equation in two variables ​

Answer 1

the answer is

$x - 2y = 0$

Step-by-step explanation:

let cost of notebook=Rs x

let cost of pen=Rs y

A.T.Q.

cost of notebook=2cost of pen

x=2y

=>[x-2y=0]

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Answer 2

Answer:

Let the cost of pen be X

and, Let the cost of Book be Y

AQT,

so book's cost is 2(x+y)

So the required equation formed is "" 2(X+y)""