Explanation:
Account 1: *Given*
Account 2:
Subtract the new balance from the old balance to represent the change.
![512 - 432 = 80](https://img.qammunity.org/2023/formulas/mathematics/middle-school/3qdepxxpm209o8rama1bm3xhfyiv4cybhn.png)
The bank account had a change of 80.
Account 3:
The change and the old balance are given. Subtract the change from the old balance to represent the new balance.
![75 - 100 = - 25](https://img.qammunity.org/2023/formulas/mathematics/middle-school/qh9lkobmn7bizfyoriq4x47907prsuwsvp.png)
The new balance is -25.
Account 4:
The change and the new balance are given. Subtract the new balance from the change to represent the old balance.
![12 - 52 = - 40](https://img.qammunity.org/2023/formulas/mathematics/middle-school/c5ymmpyseq2r25llmgcxeomkmt75hr2n55.png)
The old balance is -40.
Account 5: *Given*