1. 

   math_celebrity Administrator Staff Member

   The sum of 4 and 9:
   4 + 9
   
   3 times larger than this sum
   3(4 + 9) <-- This is our algebraic expression
   
   Evaluating this amount:
   3(13)
   39

    

   math_celebrity, Nov 4, 2016

   #1
   
   

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