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