Question

By elimination method 9x-4y=14 , 7x-3y=11​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

9x - 4y = 14 ______________(i)

7x - 3y = 11 _______________(ii)

By elimination method,

(i) × 7 - (ii) × 9 gives...

63x - 28y = 98

- -63x + 27y = -99 ( after changing the signs)

_________________

- y = -1

=> y = 1

Putting y = 1 in equation (i),

9x - 4 = 14

=> 9x = 18

=> x = 18/9

=> x = 2

x = 2 and y = 1

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