Algebra Examples

$4 + (- 4) = 0$

Step 1

Add $4$ and $- 4$ .

$0 = 0$

Step 2

Since the two sides have been shown to be equivalent, the equation is an identity.

$4 + (- 4) = 0$ is an identity.

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