vbui2500 vbui2500
  • 09-11-2017
  • Mathematics
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If 50 decreased by 4 times a certain number, the result is 15 more than the number. find the number

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yixuann
yixuann yixuann
  • 09-11-2017
let the numbet be x.
50-4x=15+x
50-15=x+4x
5x=35
x=7
hence the number is 7
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