Question

what is variables in algebra?​

Answer 1

Answer:

A variable is a symbol that represent a quantity in an algebraic expression. A variable can take any value. The letters x, y, z etc. are used to denote variables.

Example:

The length of sides of a triangle are variables, since the length of the sides can take different values. But, the number of sides in a triangle is constant(fixed), since every triangle has three sides.

Step-by-step explanation:

Answer 2

Answer: A variable is a symbol that represent a quantity in an algebraic expression. A variable can take any value. The letters x, y, z etc. are used to denote variables.

Example:

The length of sides of a triangle are variables, since the length of the sides can take different values. But, the number of sides in a triangle is constant(fixed), since every triangle has three sides.