rachelmanuli
rachelmanuli rachelmanuli
  • 16-10-2021
  • Mathematics
contestada

3(r + 3.2) + 1 = 19.9 =

Respuesta :

spyke59 spyke59
  • 16-10-2021

Answer: r  =  3.2666  or 3.3

             

Step-by-step explanation:

use the distributive property

     3r +9. 6 + 1 = 19.9

     3r + 10.1 = 19.9

          - 10.1    - 10.1

     3r = 9.8

     3r/3  =  9.8/3

       r  =  3.2666

              3.3

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