Pre-Algebra Examples

$- 4 + (- 3 + 9) = (- 4 + (- 3)) + 9$

Step 1

The left side $2$ is equal to the right side $2$ , which means that the given statement is always true.

True

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