Algebra Examples

$A = 4 π r^{2}$

Step 1

Rewrite the equation as $4 π r^{2} = A$ .

$4 π r^{2} = A$

Step 2

Subtract $4 π r^{2}$ from both sides of the equation.

$0 = A - 4 π r^{2}$

Step 3

Rewrite the equation as $A - 4 π r^{2} = 0$ .

$A - 4 π r^{2} = 0$