The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement.(Take the cost of a notebook to be Rs x and that of a pen to be Rs y).
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To write a linear equation in two variables based on the given statement, we can follow these steps:
### Step 1: Define the Variables
Let:
- \( x \) = cost of a notebook (in Rs)
- \( y \) = cost of a pen (in Rs)
### Step 2: Understand the Relationship
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NCERT ENGLISH-LINEAR EQUATIONS IN TWO VARIABLES-Exercise 4.1
