Basic Math Examples

$10 n + 3 + (9 n - 7)$

Step 1

Remove parentheses.

$10 n + 3 + 9 n - 7$

Step 2

Add $10 n$ and $9 n$ .

$19 n + 3 - 7$

Step 3

Subtract $7$ from $3$ .

$19 n - 4$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$