Answer:

Step-by-step explanation:
Given: Ahmad had a balance of
in his checking account he made a deposit of
and wrote checks for
and
his bank charged him
service fee.
To Find: how much money does ahmad have in the account.
Solution:
Amount ahmad had in his account 
Let Amount ahmad is left with 
Amount deposited by ahmad 
check wrote by ahmad
service fee charged by bank 
Now,
Amount ahmad left with



Hence ahmad have
in his account.