Question

State whether the following are true or false.
1. The sum of two positive integers is always positive.
2. The sum of two negative integers is always positive.
3. The sum of two integers is not always an integer.
4. The closure property states that if x and y are two integers, then x + y = y + x.
5. If x, y and z are three integers, then (x - y) – 2 = x-(y – z).​

Answer 1

Step-by-step explanation:

a. true

b. false

c. true

d. true

f. false (not sure)