iyonnagreen1 iyonnagreen1
  • 20-11-2019
  • Mathematics
contestada

The difference between three times a number and 7 is 14.

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nataliemontenegro
nataliemontenegro nataliemontenegro
  • 20-11-2019

3x-7=14

   +7 +7

3x=21

3    3

x=7

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