7542 ÷ 9 = 838 R0
No problem, we've got 7542 and 9 for the division.

Step 1:
9 goes into 7 0 times with a remainder of 7.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 7 to get 7.
Bring next digit (5) of the dividend behind the 7 and repeat the process: 75 / 9

Step 2:
9 goes into 75 8 times with a remainder of 3.
Write down 8 as next digit of of the result. 
Result so far: 8
Subtract 72 from 75 to get 3.
Bring next digit (4) of the dividend behind the 3 and repeat the process: 34 / 9

Step 3:
9 goes into 34 3 times with a remainder of 7.
Write down 3 as next digit of of the result. 
Result so far: 83
Subtract 27 from 34 to get 7.
Bring next digit (2) of the dividend behind the 7 and repeat the process: 72 / 9

Step 4:
9 goes into 72 8 times with a remainder of 0.
Write down 8 as next digit of of the result. 
Result so far: 838
Subtract 72 from 72 to get 0.

The final result is 838 with a remainder of 0.