1. 

   math_celebrity Administrator Staff Member

   1/2n + 1&1/2n = -10
   
   1&1/2 = 3/2 so we have:
   n/2 + 3n/2 = -10
   4n/2 = -10
   2n = -10
   
   Divide each side by 2:
   2n/2 = -10/2
   n = -5

    

   math_celebrity, Jan 10, 2023

   #1
   
   

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