If y varies directly as x and y = 14 when x = 7, find x when y is 30

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

Math it's appreciated. (picture provided)

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account