pair of linear equations in two var

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Chapter - 3, excercise - 3. 6

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PAIR OF LINEAR EQUATIONS IN TWO VARIABLES.: 

PAIR OF LINEAR EQUATIONS IN TWO VARIABLES. CHAPTER – 3 EXERCISE – 3.6

QUESTION 1:-Solve the following pairs of equation by reducing them to a pair of linear equations:(v) 7x - 2y = 5 8x + 7y = 15 xy xy: 

QUESTION 1:- Solve the following pairs of equation by reducing them to a pair of linear equations: (v) 7x - 2y = 5 8x + 7y = 15 xy xy

10 + 2 = 4 15 - 5 = -2 x + y x - y x + y x - y: 

10 + 2 = 4 15 - 5 = -2 x + y x - y x + y x - y

1 + 1 = 3 1 - 1 = -13x + y 3x - y 4 2(3x + y) 2(3x – y) 8: 

1 + 1 = 3 1 - 1 = -1 3x + y 3x - y 4 2(3x + y) 2(3x – y) 8 THANK’s