Algebra Examples

$0 = r + 4$

Step 1

Rewrite the equation as $r + 4 = 0$ .

$r + 4 = 0$

Step 2

Subtract $4$ from both sides of the equation.

$r = - 4$

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