Answer:
a. -1 + (-3)
b. -9 + 5
Explanation:
the sum of two numbers = -4
a.
two addends have the same sign
Since the sum is negative, then both addends must be negative.
Answer: -1 + (-3) =
b.
two addends have different signs
One addend is positive, and one addend is negative. Since the sum is negative, then the addend with the greater absolute value must be negative.
Answer: -9 + 5 =