The digits of a two-digit number differ by 3. If digits are interchanged and the
resulting number is added to the original nu

Question

The digits of a two-digit number differ by 3. If digits are interchanged and the resulting number is added to the original number, we get 121. Find the original number.  Pyaal dedo ♥​

Julia · Answer

We Have :-   a     two     digit     number     To Find:-   number     Solution:-   let     the     first     digit     be     x      second     digit     become     x     +     3      acc     to     the     question     now      1  0  (  x  )     +     (  x     +     3  )     +     1  0  (  x     +     3  )     +     x     =     1  2  1      1  0  x     +     x     +     3     +     1  0  x     +     3  0     +     x     =     1  2  1      1  1  x     +     3     +     1  1  x     +     3  0     =     1  2  1      2  2  x     +     3  3     =     1  2  1      1  1  (  2  x     +     3  )     =     1  2  1      2  x     +     3     =     1  2  1  /  1  1      2  x     +     3     =     1  1      2  x     =     8      x     =    8/2     x     =     4      x     +     3     =     4     +     3     =     7      so     the     original     number     is     4  7

Peyton

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Question Number 7
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The digits of a two-digit number differ by 3. If digits are interchanged and theresulting number is added to the original nu