addisonjacebund addisonjacebund
  • 09-08-2017
  • Mathematics
contestada

Four times the difference of a number and seven is 12

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 09-08-2017

4(x-7)=12=


4x-28=12 

add 28 to both sides

4x=40

x =40/4 = 10

x = 10

Answer Link

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