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Urvi Goswami
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Asked: 2020-11-03T10:14:19+00:00 In:

Find the value of k, if x = 2, y = 1 is a solution of the equation 2x + 3y = k.

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NCERT Solutions for Class 9 Maths Chapter 4
Important NCERT Questions
Linear equations in two variables
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 4.2
Page No:70
Questions No: 4

2020-2021cbsechapter 4class 9linear equations in two variablesmathematicsncert
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    2 Answers

    1. Best Answer

      Given equation: x = 2, y = 1
      In 2x + 3y = k, putting x = 2 and y = 1, we have,
      2x × 2 + 3 × 1 = k
      ⇒ k = 7
      Hence, the value of k is 7.

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    2. Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
      Please follow the link to visit website for first and second term exams solutions.
      https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-4/

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