Learn all Concepts of Linear Equations Class 9 (with VIDEOS). Check - Linear Equations in 2 Variables Class 9
Last updated at Sept. 24, 2018 by Teachoo
Learn all Concepts of Linear Equations Class 9 (with VIDEOS). Check - Linear Equations in 2 Variables Class 9
Transcript
Ex 4.2, 4 - Chapter 4 Class 9 Linear Equations in Two Variables - NCERT 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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