What is x in maths?

Answer 1

In math, x is a common expression of a variable. Variables are symbols that represent an unknown value. For example, x + 3 = 5 translates to "some value plus three equals 5". In this case x represented the number 2 (x = 2). Sometimes variables represent a more abstract relationship: x + y = 5 translates to "some unknown value plus another unknown value equals 5". In this case there are many possibilities for the values of the variables, like x = 1 and y = 4, or x = 2 and y = 3.

Answer 2

The variable 'x' multiplied by negative 1.

Answer 3

Multiplication

Answer 4

2