Pre-Algebra Examples

$9 k - 11 + 2 k - 7 - 4 k$

Step 1

Add $9 k$ and $2 k$ .

$11 k - 11 - 7 - 4 k$

Step 2

Subtract $4 k$ from $11 k$ .

$7 k - 11 - 7$

Step 3

Subtract $7$ from $- 11$ .

$7 k - 18$

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