Basic Math Examples

$13$ , $6$ , $5$ , $- 2$ , $- 7$

Step 1

The mean of a set of numbers is the sum divided by the number of terms.

$\frac{13 + 6 + 5 - 2 - 7}{5}$

Step 2

Simplify the numerator.

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Step 2.1

Add $13$ and $6$ .

$\frac{19 + 5 - 2 - 7}{5}$

Step 2.2

Add $19$ and $5$ .

$\frac{24 - 2 - 7}{5}$

Step 2.3

Subtract $2$ from $24$ .

$\frac{22 - 7}{5}$

Step 2.4

Subtract $7$ from $22$ .

$\frac{15}{5}$

Step 3

Divide $15$ by $5$ .

$3$