A) Could be -7 + 5 and you'd represent that with 7 negative signs with 5 positive signs.
B) That's already an addition problem, and how'd you represent that is with 5 negative signs and 7 negative signs.
C) That's already an addition problem, and how'd you represent that is with 5 negative signs and 7 positive signs.
D) Could be -5 + 7, and you'd represent that with 5 negative signs and 7 positive signs.
