Question

Solve the pair of equations : 2/x + 3/y = 11 , 5/x - 4/y = -7

Answer 1

Answer:

x = 1 and y = 3

Step-by-step explanation:

solving by reducing method

1/x = a and 1/y = b

2a + 3b = 11

5a - 4b = -7

5(2a + 3b = 11)

2(5a - 4b = -7)

10a + 15b = 55

10a - 8b. =.-14

23b = 69

b = 69/23

b = 3

put the value in equation 1

2a + 3(3) = 11

2a = 11 - 9

2a = 2

a = 1

1/x = 1 1/y = 3

x = 1. and y = 3

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