The sum of the digits of a two-digit number is 12. If the digits are interchanged, the number is increased by 36. Find the nu

Question

The sum of the digits of a two-digit
number is 12. If the digits are interchanged,
the number is increased by 36. Find the
number​

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Ngọc Khuê 5 years 2021-08-27T12:18:53+00:00 1 Answers 175 views 0

Answers ( )

  1. thanhha
    0
    2021-08-27T12:19:58+00:00
    Reply

    Answer:

    48

    Step-by-step explanation:

    x+y=12

    y=12-x

    10y+x =10x+y +36

    9y-9x=36

    108-9x-9x=36

    -18x=-72

    x=4

    y=8

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