Finite Math Examples

$- 2 r + s + 4 r - 5 s$

Step 1

Add $- 2 r$ and $4 r$ .

$2 r + s - 5 s$

Step 2

Subtract $5 s$ from $s$ .

$2 r - 4 s$

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