posted by Sara L. .
Is the answer to log sub a 2 = .4, log sub a 3 = .5, log sub a 5 = .8 is it 2.9? Is the answer to log sub 5 (2x+3) = 2 is the correct answer 11? Is the solution to 8^x=16^x+2 is the solution 2?
Are you guessing? Something is wrong. Let me see your work. You are missing something important, I think.