Subtracting
x -1 = 3
What is 4
7 + x = 14
7
4 y = 24
6
8r = -72
r = -9
What is true ?
A number increased by 3
x + 3
x - (+ 4) =14
18
x + 10 = 24
14
x/ 2 = 10
20
x + 18 = -21
x = 39
What is False ?
x = -39
A number divided by 2
x /2
x - ( +12) = 36
48
x + ( -13) = 22
35
-7 x = -77
11
8- x = 34
x = 42
What is False ?
x = -42
The product of 2 and 4
2 x 4
x - (-2) = 10
8
-9 + x = 27
36
x/ - 4 = -10
40
9 - 4 + 3 = 8
What is True ?
The product of 3 and a number increased by 4
3x + 4
x - ( -8) = 45
37
- 1/2 + x = -1/2
0
7.5 = 2.5 x
3
2 x - 10 = 30
x = 20
What is True ?
Five times a number plus six times a number
5x + 6x