From the following which is the smallest number?
2
1
0
-1
(x - y) + (x + y) =
2x
-2x
-2y
2y
(2x + 3y) - (x - 2y) =
x + 5y
x - 5y
-3x - 4y
2x - 3y
What is the value of x + y when x = -12 and y = -3?
15
-9
-15
9
(x + y) - (x - y) =
4 x (-0.19) + 6 x (-0.19) =
0.190
-1.9
-0.19
19
[11/9 x (-5)] + [7/9 x (-5)] =
-10
10
-5
20 x (-1/5) =
4
- 5
- 4
20
The value of -(y - x), if x = -3 y = -5 is:
-8
8
-2
The value of x + y + z, if x = -5,y = -2 and z = 4 is:
-3
-11
-7
-13
