A letter used to represent a number is a variable of sometimes a constant.
a variable
A letter used to represent a number is called a variable. Typically, the letters x and y are used, but technically you can use any letter of the alphabet.
Variable
It is a variable
any number at all
Variable: A letter or symbol used to represent a number or quantities that vary
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A letter used to represent a number is a variable of sometimes a constant.
a variable
A letter used to represent a number is called a variable. Typically, the letters x and y are used, but technically you can use any letter of the alphabet.
Variable
It is a variable
A variable
a variable
a variable.
the coefficient