Question

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

Answer 1

Answer:

let the cost of notebook be x and the cost of pen be y

then

x=2y

x-2y=0

Answer 2

Answer:

let the cost of pen x

let the cost of notebook be y

Step-by-step explanation:

so, equation will be

2x=y

2x-y=0