# Precalculus Examples

Since does not contain the variable to solve for, move it to the right side of the equation by subtracting from both sides.

Add and to get .

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

Exponentiation and log are inverse functions.

Verify each of the solutions by substituting them back into the original equation and solving. In this case, all solutions were found to be valid.

The result can be shown in both exact and decimal forms.

Exact Form:

Decimal Form: