azk1130 azk1130
  • 12-07-2018
  • Mathematics
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72 times a number minus 89 is equal to 81 less than the number

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tohjiahan123pc83qu tohjiahan123pc83qu
  • 21-07-2018
let the number be x
72x-89=x-81
71x=89-81
71x=8
x=8/71
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