Question

please answer the question answer the second question

Answer 1

Let the number be 10x + y.
Then, x + y = 10. .........(1)
Also, 10x + y + 36 = 10y + x.
9x - 9y = -36. .......(2)
Multiply eq (1) by 9
9x + 9y = 90 ......(3)
(3) - (2) = -18y = -126
y = -108/-18
y = 7.
Then x = 10 - 7
x = 3.
Therefore, the number is 37.
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