jquarm2030 jquarm2030
  • 25-05-2021
  • Mathematics
contestada

. Solve for x. a) 10 - 1/4x - 7 b) 3 (x + 8 ) = 21

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Akatsukifurui
Akatsukifurui Akatsukifurui
  • 25-05-2021

a) 10 - 1/4x = 7

   1/4x = 7 + 10

           = 17

   x = 17/ (1/4)

b) 3 (x + 8 ) = 21

   x + 8 = 21/3

            = 7

   x = 7 - 8

      = -1

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