madnat123
madnat123 madnat123
  • 19-09-2018
  • Mathematics
contestada

5/x=7/21 what is x please help

5x721 what is x please help class=

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davesullian67 davesullian67
  • 19-09-2018

I think it is 7 because 7×3 =21  Put 7in for x then ×it by 3

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