aranza15 aranza15
  • 13-08-2016
  • Mathematics
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algebraic expression for the sum of 18 and a number

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dasetka
dasetka dasetka
  • 13-08-2016
The sum (+) of 18 and a number (x) 

18 + x
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FrozenProdigy
FrozenProdigy FrozenProdigy
  • 13-08-2016
18 + 2x
The sum equals addition twice the sum a number
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