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

Let the cost of notebook = x

and the cost of pen = y

ATQ

x = 2y

:)

Answer 2

Answer: Let cost of a notebook be  x

and the cost of pen be y

A/Q

Cost of notebook= twice the cost of pen

x = 2y

x - 2y = o

therefore; the equation found is x - 2y = 0