Question 1151127
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Last year . . . 

    A = 2B + 5     (1)


The number . . . 

    A = B + 23.    (2)


Equations (1) and (2) have the same left sides --- hence, their right sides are equal :


    2B + 5 = B + 23.


It implies

    2B - B = 23 - 5

     B     = 18.


<U>ANSWER</U>.  B = 18,  A = B + 23 = 18+23 = 41.
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Solved.