Question

2. Add the following rational numbers :
2
+
3
(a)
2.
-8
-2
(
a)
-7
and
5
(b)
--9
and
13
3
and
4
7
5
5
(b)
Olon
+
(e) 0 and
-13
2
4
-4
(d)
and
-7 -21
5
3. Verify that a + b = b + a by taking
3
2
(a) a = 6 and b = (b)
and b
5
3
-13
-3
20
---
7.
(d) 5+
4.
+
7
-3
-
(c) a = -and b = (d) a = -3, b = -7
11
7
12.
4. Verify that (a + b) + c = a + (b + c) by taking
9. The sun
5​

Answer 1

Step-by-step explanation:

2+3 =5

-8 +(-2)= -8-2= -10

-7+(-5). = -7-5= -12

-9+13 =4