1. 

   math_celebrity Administrator Staff Member

   Given: 3(2x − 5) = 15 Prove: x = 5
   
   Set x = 5:
   3(2(5) - 5)
   3(10 - 5)
   3(5)
   15
   
   So if x = 5, then:
   3(2x − 5) = 15

    

   math_celebrity, Dec 6, 2020

   #1
   
   

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