Question

the cost if in notebook is twice the cost of a pen write a linear equation variable to represent this statement​

Answer 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.

Step-by-step explanation:

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Answer 2

Answer:

let the cost of pen be 'x'

and the cost of notebook is '2x'