[11/9 x (-5)] + [7/9 x (-5)] =
-10
10
9
-5
(-1)2 + (-1)3 + (-1)4 + (-1)5 =
0
1
-1
2
The value of x + y + z, if x = -5,y = -2 and z = 4 is:
-3
-11
-7
-13
0.5 x (-0.3) =
-1.5
-15
15
-0.15
- 20 x (0.4) =
8
0.8
- 80
- 8
(x + y) - (x - y) =
2x
-2x
2y
-2y
The value of - y - x, if x = -7 and y = -3 is:
4
-4
-1/3 × 1/9 =
1/27
-1/27
1/3
-1/3
The value of -(y - x), if x = -3 y = -5 is:
-8
-2
20 x (-1/5) =
- 5
- 4
20