# Precalculus Examples

Step 1

Step 1.1

Subtract from both sides of the equation.

Step 1.2

Subtract from .

Step 2

To solve for , rewrite the equation using properties of logarithms.

Step 3

Rewrite in exponential form using the definition of a logarithm. If and are positive real numbers and , then is equivalent to .

Step 4

Rewrite the equation as .

Step 5

The result can be shown in multiple forms.

Exact Form:

Decimal Form: