Answer
7589
Work Step by Step
Ones place: Regroup. 18-9 = 9
Tens place: Regroup. 17-9 = 8.
Hundreds place: 8-3 = 5
Thousands place: 9-2 = 7
From the 7 in the thousands place, 5 in the hundreds place, 8 in the tens place, and 9 in the ones place, we get 7589.