Question

The cost of a notebook is twice the cost of a pen. write a linear equation in two variables to represent this statement​

Answer 1

Answer:
Cost of a pen=x
Cost of a notebook= twice the cost of pen = 2x

Answer 2

Answer:

2x-y=0

Step-by-step explanation:

Let the cost of a pen be x

let the cost of notebook be y

As y = twice of x

2x-y=0

HOPE THIS HELPS YOU