4. Solve the following equation: 6x + 12 = 4x - 18 (1 point)
0-15
O 15
0-3
03

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