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A variable is usually used for that - for example, a single letter that represents the unknown quantity.
X is the symbol for multiplication, as in 2X2=4 X (or any other letter) is often used to represent an unknown quantity.
Usually x or n, but can be any letter.
Usually x or n, but can be any letter.
In math a letter is a variable and it can be any number.
An algebraic expression uses a letter to represent an unknown quantity.
In mathematics, an unknown quantity represented by a letter is usually called a variable. Variables are used to symbolize values that can vary in an equation or formula. They allow us to write general expressions that can represent multiple possible scenarios.
Unknonwn quantity is any variable a,b,c or x,y
A variable.
A variable is usually used for that - for example, a single letter that represents the unknown quantity.
x= the unknown
variable
X is the symbol for multiplication, as in 2X2=4 X (or any other letter) is often used to represent an unknown quantity.
An unknown variable
b
VARIABLE
a variable.