lessly04
lessly04
29-01-2016
Mathematics
contestada
the sum of 18 and a number
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apologiabiology
apologiabiology
29-01-2016
dat means 18+'a number'
aka
18+x
Answer Link
Аноним
Аноним
30-01-2016
A number is an unknown variable, so you can use a letter.
Sum means addition.
18+ x
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