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lisabon 2012 [21]
3 years ago
10

A(n) ______ is a letter or symbol that represents some unknown value

Mathematics
2 answers:
Aloiza [94]3 years ago
7 0
Variable like a or x or y
ollegr [7]3 years ago
7 0
The letter is the "x", because is used to represent unknown values. Sometimes the "y" is used too, but the principal is the "x". I hope that helps u. 
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