Addition and Subtraction of Directed Numbers: Applying the formula

$14-(-3)=$

Let's remember the rule:

$-(-x)=+$

We'll write the exercise in the appropriate form:

$14+(3)=$

We'll locate the number 14 on the number line, from which we'll move 3 steps to the right (since 3 is greater than zero):

We can see that we've reached the number 17.

$17$

$12-(-2)=$$$

Let's remember the rule:

$-(-x)=+$

We'll write the exercise in the appropriate form:

$12+(2)=$

We'll locate the number 12 on the number line, from which we'll move 2 steps to the right (since 2 is greater than zero):

We can see that we've reached the number 14.

$14$

$15-(-4)=$

Let's remember the following law:

$-(-x)=+$

Now let's write the exercise in the appropriate form:

$15+(4)=19$

$19$

$-2-(-5)=$

Let's remember the rule:

$-(-x)=+$

We'll write the exercise in the appropriate form:

$-2+(5)=$

We'll locate the number minus 2 on the number line, from there we'll move 5 steps to the right (since 5 is greater than zero):

We can see that we've reached the number 3.

$3$

$-12+5=$

We will locate the number negative 12 on the number line, and from there we will move 5 steps to the right (since 5 is greater than zero):

We can see that we have reached the number negative 7.

$-7$

$-22+(-8)=$

Let's locate the number negative 22 on the number line.

We'll move 8 steps to the left (since negative 8 is less than zero):

We can see that we've arrived at the number negative 30.

$-30$

$-30-(-10)=$

Let's remember the following rule:

$-(-x)=+$

Now let's write the exercise in the appropriate form:

$-30+(10)=$

We'll locate the number negative 30 on the number line.

We'll move 10 steps to the right (since 10 is greater than zero):

We can see that we've arrived at the number negative 20.

$-20$

$-14-(-7)=$

Let's remember the rule:

$-(-x)=+$

We'll write the exercise in the appropriate form:

$-14+(7)=$

We'll locate the number negative 14 on the number line, from there we'll move 7 steps to the right (since 7 is greater than zero):

We can see that we've reached the number negative 7.

$-7$

$-36+6=$

We will locate the number negative 36 on the number line, and from there we will move 6 steps to the right (since 6 is greater than zero):

We can see that we have reached the number minus 30.

$-30$

$16+(-20)=$

Let's locate the number 16 on the number line, then move 20 steps to the left from it (since minus 20 is less than zero):

We can see that we have reached the number minus 4.

$-4$

$5+(-6)=$

$-1$

$(-10)+3=$

$-7$

$-15+3=$

$-12$

$5+(-13)=$$$

$-8$

$7+(-3)=$

$4$

$14+(-19)=$

$-5$

$-30+30=$

$0$

$(-13)+(-12)=$

$-25$

$(-15)+(-5)=$

$-20$

$(-14)+(-13)=$

$-27$