Answer:
C. 7 + (-13)
Explanation:
If you subtract 7 - 13, you get -5. We have to find an equation that equals -5 as well.
A. doesn't work because 13 - 7 equals 5.
B. doesn't work because -13 + (-7) equals -20.
D. doesn't work because -7 + 13 equals 5.
C. does work because 7+ (-13) equals -5.
REMEMBER - adding a negative number is the same as subtracting a number.
Hope this helps :) have a good day