Given the functions f(x) = 6x -3 and h(x) = 10x - 5, find the value of x for which f(x) = h(x)

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9