A checking account is set up with an initial balance of $2400 and $200 are removed from the account

A checking account is set up with an initial balance of $2400 and $200 are removed from the account each month for rent right and equation who solution is the number of months and it takes for the account balance to reach 1000

200 is removed, so we subtract. Let m be the number of months. We want the following equation:
2400 - 200m = 1000

Now, we want to solve this equation for m. So we type it in our search engine and we get:
m = 7