Basic Math Examples

$190$ , $- 178$

Step 1

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

$\frac{190 - 178}{2}$

Step 2

Cancel the common factor of $190 - 178$ and $2$ .

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Step 2.1

Factor $2$ out of $190$ .

$\frac{2 \cdot 95 - 178}{2}$

Step 2.2

Factor $2$ out of $- 178$ .

$\frac{2 \cdot 95 + 2 \cdot - 89}{2}$

Step 2.3

Factor $2$ out of $2 \cdot 95 + 2 \cdot - 89$ .

$\frac{2 \cdot (95 - 89)}{2}$

Step 2.4

Cancel the common factors.

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Step 2.4.1

Factor $2$ out of $2$ .

$\frac{2 \cdot (95 - 89)}{2 (1)}$

Step 2.4.2

Cancel the common factor.

$\frac{2 \cdot (95 - 89)}{2 \cdot 1}$

Step 2.4.3

Rewrite the expression.

$\frac{95 - 89}{1}$

Step 2.4.4

Divide $95 - 89$ by $1$ .

$95 - 89$

Step 3

Subtract $89$ from $95$ .

$6$