Question

4. Find 'a' so that the statement becomes true
(i) 37 + 59 = 59 + a (ii) 43 + a = 48 + 43
(iii) (43 + a) + 77 = 43 + (95 + 77)
(iv) (4 + 11) + 17 = (4 + a) + 11​

Answer 1

Answer:

1.96=59+a

-a=59. -96

*a=-37..

a=37

2.a=48

3.a=95.

4.a=15

Answer 2

Answer:

(1) a=37

(2) a=48

(3) a=95

(4) a=17