Question

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

Answer 1

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

so by the condition given in your question we get equation

x=2y

x-2y=0

Answer 2

hello Frnd

Given As

Cost of notebook is twice the cost of pen

Therefore
Let the cost of pen = X
And cost of Notebook = Y

According to question

2X = Y

2X - Y = 0


hence the liner equation.



hope it helps
jerri