solving pair of linear equations for unknown by cross multiplication method 3 5

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00:03 (iv) Systems of Linear Equations: Solving by Cross-multiplication method; x – 3 y – 7 = 0 ; 3 x – 3 y – 15 = 0

Solve word problems by Cross-multiplication method | Algebra Cross-multiplication method word problems

04:30 Q2. (i) For which values of a and b does the following pair of linear equations have an infinite number of solutions? 2 x + 3 y = 7 ; ( a – b ) x + ( a + b ) y = 3 a + b – 2

11:06 (ii) For which value of k will the following pair of linear equations have no solution?

3 x + y = 1 ; (2 k – 1) x + ( k – 1) y = 2 k + 1

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CBSE solutions for class 10 maths Chapter 3 Pair of linear equations Exercise 3.4

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