In math a letter is a variable and it can be any number.
The word "variable" represents an unknown number.
The letter that represent the composite number is letter C.
X and y
An unknown number represented by a letter or symbol is a variable.
b
a variable.
If you are talking about math then its usually " x " but if that is already use in the expression and you want to use another symbol to represent a DIFFERENT number then you can use y or a or so on.
A variablẹ
In math a letter is a variable and it can be any number.
variable is the unknown number. usually represented as a letter
The word "variable" represents an unknown number.
The letter that represent the composite number is letter C.
It is a variable
A variable is any letter or other symbol that is used to represent an unknown number. "x" is the most commonly used variable, with y, z, n, a, and b also being prevalent. The objective of algebra is usually to find the value of a variable.
X and y
An unknown number represented by a letter or symbol is a variable.