Hi Suraksha,
Since (y-2 , x+1) = (x-1 , 2) are equal therefore they must be comparable
Which implies x+1 = 2 and y-2 = x-1
This shows x = 2-1 = 1
Putting x = 1 in y-2 = x-1
y-2 = 1-1
y-2 = 0
y = 2
Therefore x = 1, y = 2
Hope it helps :)
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