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

Ex 4.2, 4

Last updated at March 2, 2017 by

Ex 4.2, 4 - Find the value of k, if x = 2, y = 1 is a - Solution of linear equation

  1. Chapter 4 Class 9 Linear Equations in Two Variables
  2. Serial order wise
    3. Ex 4.2
    Ex 4.3 →
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Transcript

Ex 4.2, 4 Find the value of k, if x = 2, y = 1 is a solution of the equation 2x + 3y = k. Given 2x + 3y = k Putting x = 2 and y = 1 2(2) +3(1) = k 4 + 3 = k 7 = k ∴ k = 7

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

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