Question

A

)
−
1
21
+
−
1
28
;

b
)
−
8
18
−
15
27
;
c
)
−
5
12
+
0
,
75
;
d
)
3
,
5
−
(
−
2
7
)

Answer 1

Explanation:

The only value for b that makes the equation true is 0.