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# How to Change Number to Negative Number In Kotlin?

To change a number to a negative number in Kotlin, you can simply multiply the number by -1. For example, if you have a variable `num` with a value of 5 and you want to make it -5, you can do so by writing `num = num * -1`. This will change the number to its negative equivalent.

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## How to utilize Kotlin's built-in functionality to change a number to negative?

You can utilize Kotlin's built-in functionality by using the `unaryMinus()` operator to change a number to negative. Here's an example code snippet:

 ```1 2 3 4 5 ``` ```val number = 10 val negativeNumber = -number // using unaryMinus() operator println("Original Number: \$number") // Output: 10 println("Negative Number: \$negativeNumber") // Output: -10 ```

In this example, the `unaryMinus()` operator is used to change the number `10` to its negative counterpart `-10`.

## What is the recommended approach for changing a number to negative in Kotlin?

One recommended approach for changing a number to negative in Kotlin is to multiply it by -1. Here is an example:

 ```1 2 3 ``` ```val number = 5 val negativeNumber = number * -1 println(negativeNumber) // Output: -5 ```

This method is simple and efficient for changing a number to negative in Kotlin.

## What is the syntax for changing a number to a negative number in Kotlin?

To change a number to a negative number in Kotlin, you can simply multiply the number by -1. Here is an example:

 ```1 2 3 4 ``` ```val number = 5 val negativeNumber = number * -1 println(negativeNumber) // Output: -5 ```

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