Question

4. Verify x + (y + 2) = (x + y) + z for following values of x, y and z.
3
5
Z=
-7
(1) X=
- 5
4.
6
8
2.
(ii) X= 5, y =
3
-7
Z=
9
6
- 6
3
X=
5
2
Z=
10
-
9
(iv) X =
-3
, y =
5
- 7
10
-8
Z=
15​

Answer 1

Answer:

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