I need help with these PRECALC questions, Can you help me solve them and INCLUDE THE STEPS because I don't seem to understand them, if you can write on the document that would be helpful

Find the solution(s) to the given exponential or logarithmic equations algebraically (3pts each): 14. 3e" -1=8 15. In(4 + 3x) = Inx 16. Five thousand dollars is invested in an account that earns 4% annual interest. If the money is invested for 2 years, find each of the following below (3pts each): a. The balance if the account pays simple interest. b. The balance if the account is compounded monthly. c. The balance if the account is compounded daily. d. The balance if the account is compounded continuously. 3 [Challenge] If you invested $10,000 into a retirement account that pays 6% annual interest compounded continuously when he was 25 years old, how old will he be when the account is worth $1,000,000