1. Name the property involved in the following examples
8
3
(1)
8 8
+0 =
5 5
0+
3
+
5
(i) 2
+2
5
dditi
.
-2
(iii)
*1 =
3 3
(1=-=1x
1
7 7.
*1 =
(iv)
= 1x
xC
7
5
(v)
2 1 1 2
+
5 3 3 5
(vi)
5 3 15
2 7 14
Х
(vii) 7a +(-7a) = 0
(vii) xx==1 (x +0)
1=
(ix) (2 x.x) + (2 X 6) = 2 (x+6)
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