Variables are symbols that don’t have a fixed value. Learn about Variables, Constants, Coefficients and variable expressions. Solved Examples and Questions.

Jul 23, 2025 · Expression with one or more variables is used in solving problems in physics, working with data in computer science, or managing finances. In this article, we are going to …

Learn what a variable expression is. Discover types of expressions and equations, learn how to write a variable expression, and study variable expression examples.

Learn about variable expressions with definition, explanation, step-by-step examples, and solved problems to master this math topic easily.

Jan 1, 2026 · Here you will learn how to write variable expressions to represent real world situations. A variable expression is a mathematical phrase that contains numbers, operations, …

To evaluate an algebraic expression, we substitute a given value for the variable and simplify. For example, if x = 4, then: 2 x + 3 = 2 (4) + 3 = 8 + 3 = 11. Understanding variables, constants, …

The following diagram gives the definition and some examples of variable expressions. Scroll down the page for more examples and solutions on how to use variable expressions.

In mathematics, a variable expression is a combination of numbers, variables, and arithmetic operations such as addition, subtraction, multiplication, and division.

We will be able to determine how many square feet of carpet can be made from a certain number of plastic drink bottles by using variables, constants and expression.

Expressions with variables are essential for creating formulas and models for real-world situations where values are not fixed. For example, a taxi fare can be represented by the expression 50 …