HELP ASAP PLZ NEED IR SNDWWRED AS PAST AS POSSIBLE

1/3(x-10)=-4 solve for x with steps

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

What is the inverse of the function f(x) = 2x + 1?