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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
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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

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He provides courses for Mathematics from Class 9 to 12. You can ask questions here.
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