autismandyou
autismandyou autismandyou
  • 25-04-2017
  • Mathematics
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42 decreased by twice a number

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angelglmmer
angelglmmer angelglmmer
  • 25-04-2017
2n - 42 is the answer
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dellaM dellaM
  • 25-04-2017
let the number be x.

twice a number is 2x.
hence,

the expression would result as: 42 - 2x
Answer Link

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