Basic Math Examples

$10$ , $50 - 75$

Step 1

Subtract $75$ from $50$ .

$10, - 25$

Step 2

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

$\frac{10 - 25}{2}$

Step 3

Subtract $25$ from $10$ .

$\frac{- 15}{2}$

Step 4

Move the negative in front of the fraction.

$- \frac{15}{2}$

Step 5

Divide.

$- 7.5$