Question 387932
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Hi,         
Let x and (2x+7)represent Ben's and Brad's age NOW.
In 23 years...***
 (x+23) + [(2x+7) + 23] = 83
solving for x
 x+ 23 + 2x + 30 = 83
    3x + 53 = 83
         3x = 30
          x = 10, Ben's age NOW.  (Brad is now 27)

CHECKING our Answer***
 33 + 50 = 83