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

13-08-2016

The sum (+) of 18 and a number (x)

18 + x

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FrozenProdigy FrozenProdigy

13-08-2016

18 + 2x
The sum equals addition twice the sum a number

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