Write an integer subtraction expression that equals −4 and... a. includes a negative number and a positive number.
b. includes three different integers.
c. includes four different integers.
d. includes the number −7.
e. includes two odd numbers with at least one of them being negative.
f. includes a number divisible by 7 and a number divisible by 2. Write an integer subtraction expression that equals −4 and...