Pre-Algebra Examples

$- 4 x - 4 + x - 2 y + 7 x$

Step 1

Add $- 4 x$ and $x$ .

$- 3 x - 4 - 2 y + 7 x$

Step 2

Add $- 3 x$ and $7 x$ .

$4 x - 4 - 2 y$

Step 3

Move $- 4$ .

$4 x - 2 y - 4$

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