Question 1145966
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Let x be the unit's digit.


Then the ten's digit is (x+5), according to the condition.


The equation is


    8*(x + (x+5)) = 10*(x+5) + x


Solve it


    16x + 40 = 10x + 50 + x

    16x - 10x - x = 50 - 40

    5x             = 10

     x             = 10/5 = 2.


<U>ANSWER</U>.  The numbers is 72.
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