1. Chapter 4 Class 9 Linear Equations in Two Variables
  2. Serial order wise
  3. Ex 4.1

Ex 4.1, 1 - Class 9

Last updated at May 29, 2018 by

Ex 4.1, 1 - The cost of a notebook is twice cost of a pen - Equations of form ax + by + c = 0

 

 

  1. Chapter 4 Class 9 Linear Equations in Two Variables
  2. Serial order wise
    3. Ex 4.1
    Ex 4.2 →
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Transcript

Ex 4.1, 1 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.) Let the cost of a notebook be Rs x and the cost of pen be Rs y It is given that Cost of notebook = 2 × Cost of pen x = 2y x − 2y = 0 x − 2y = 0 is the linear equation in two variables

Chapter 4 Class 9 Linear Equations in Two Variables
Serial order wise

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.