Question

the value of x and y from the given value of determinants​

Answer 1

Answer:

x = 3 & y = 2.

Step-by-step explanation:

7x - 4y = 13 ----(1)

2y + 5x = 19 => 5x + 2y = 19----(2)

Adding (1) to 2 × (2),

7x - 4y + 10x + 4y = 13 + 38

=> 17x = 51

=> x = 3.

Now, substituting the value of X in (1),

21 - 4y = 13 => 4y = 8 => y = 2.

Therefore, the answer is x = 3 & y = 2.

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Answer 2

Answer: X = 3 and Y = 2 .

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