Column 1
x + 7 = 13
x = 6
2x < 6
x < 3
14 = 7x
x = 2
x - 4 = 10
x = 14
x + 5 > 10
x > 5
x - 4 = -2
x = 2
1/2 x < 6
x < 12
13 = x - 8
x = 21
x + 3 = 14
x = 11
x - 2 > -4
x > -2
3x + 4 = 25
x = 7
5x < -20
x < -4
20 = 3x
x = 20/3
2x + 18 = 20
x = 1
2x + 4 >= 20
x >= 8
2/3 x + 2 = 6
x = 6
2x - 4 = 20
x = 12
5x + 4 <= 19
x <= 3
1/3 x - 4 = 2
x = 18
2x > 4z + 2
x > 2z + 1
4/5x + 10 = 26
x = 20
-4x + 3 = -15
x = 9/2
-4x > 20
x < -5
(5x - 4)/2 = 8
x = 4
3 - 3x > 18
x < -5