asked 17.5k views
4 votes
An is a letter or symbol that represents some unknown value

2 Answers

5 votes
A "placeholder", or a "valuable"/"variable" could be used to describe an unknown value.
answered
User Gerrit
by
7.0k points
7 votes
a placeholder represents an unknown value
answered
User Sergey Fedorov
by
8.0k points

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