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Question

Find x and y If [23y2x]=[2158]


A

x = -4 and y = -5

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B

x = 4 and y = 5

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C

x = 5 and y = 4

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D

x = -5 and y = -4

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Solution

The correct option is A

x = -4 and y = -5


Since [23y2x]=[2158], equating the elements we get,
3y=15y=52x=8x=4


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