Solve 5+(-13): Adding Positive and Negative Numbers on a Number Line

Let's first locate the number 5 on the number line.

Now let's deal with the operation in the exercise, given that the operation is $+(-13)$

Since the number minus 13 is less than 0, we will move thirteen steps to the left from the number 5, where each step represents one whole number as follows:

We can see that the number we reached is minus 8.