Add to both sides of the equation.

Add and .

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

Anything raised to is .

Rewrite the equation as .

Move all terms not containing to the right side of the equation.

Subtract from both sides of the equation.

Subtract from .

Solve for n -10+ log base 3 of n+3=-10