Select the correct answer. Which equation has only one unique solution?
a | 3 - X | = 3
b -4 | X | + 1 = -3
c | X - 2 | - 7 = 7
d 9 - | 2x - 1 | = 9

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x