# What is the difference between an equation and an expression?

Let us understand an equation and an expression in more detail.

## Answer: An expression is a mathematical way of expressing a situation. An equation is obtained when we connect two expressions by an equal sign.

Let us try to compare an equation and an expression.

**Explanation:**

An expression is a mathematical way of expressing a situation

Examples: 2x + 5, 10a, 20, (a + b), etc

An equation is obtained when we connect two expressions by an equal sign.

Examples: 2x + 5 = 105, 10a = 20, 20 = a, (a + b) = 30, etc

### So, an expression is a mathematical way of expressing a situation. It is just a number, or only a variable, or a combination of numbers, variables, and operation symbols. An equation is obtained when we connect two expressions by an equal sign.

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