Question 1
The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement.
Open in App
Solution
Let the cost of the pen be y and the cost of notebook be x.
According to statement,
Cost of a notebook = twice the pen = 2y. ∴2y=x ⇒x−2y=0
This is a linear equation in two variables to represent this statement.