lasmia988 lasmia988
  • 22-03-2017
  • Mathematics
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If 7 times a number is decreased by 5 and this difference is doubled the result is 14 less than twice the number. What is the number

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irspow
irspow irspow
  • 22-03-2017
2(7n-5)=2n-14

14n-10=2n-14

12n=-4

n=-1/3
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