John haf 99 more stickers than sally. sally then gave john 36 more stickers. how many more stickers would john have than sally in the end?

take the logarithm of both sides (the base of the log doesn't matter):

apply the exponent property - this says that :

distribute the log terms on both sides:

group like terms together:

divide through both sides by the coefficient on :

you can do some additional rewriting here using the properties of the logarithm to simplify things if you like:

your answer is 125y5