Pre-Algebra Examples

$(x - 4) + (- 2 x + 1)$

Step 1

Remove parentheses.

$x - 4 - 2 x + 1$

Step 2

Subtract $2 x$ from $x$ .

$- x - 4 + 1$

Step 3

Add $- 4$ and $1$ .

$- x - 3$

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