3(-7)-10+25= -6
You have 25 dollars in your account(+25). You have to pay debt 7 dollars for 3 months. so its 3(-7)
Also you have to pay debt 10 so its -10. How many dollars remaining in your account?
The remaining amount will be negative after subtracting all the debts
Actual problem is :
You have 25 dollars in your account. You have to pay debt 7 dollars for 3 months. Also you have to pay debt 10. How many dollars remaining in your account?