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creativ13 [48]
3 years ago
11

The sum of 18 and a number

Mathematics
2 answers:
hjlf3 years ago
6 0
Dat means 18+'a number'
aka
18+x
stepladder [879]3 years ago
5 0
A number is an unknown variable, so you can use a letter.
Sum means addition.

18+ x

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