Question

the cost of a note book is twice the cost of pen. write a liner equation in two variables to represent this statement

Answer 1

This the equation in two variables

Answer 2

let the cost of the note book be Rs - X
let cost of pen be Rs -Y
given tht
cist of notebook is = 2x cost of pen
so
x=2y
linear equation in two variable so.

x-2y=0 is the linear equation

hope it helps....

byee

@sonu