a) x < 8-5
x < 3
S ={ 0,1,2}
b) x < 8
S ={0,1,2,3,4,5,6,7 }
c) x < 20
S ={0,1,2,3....19}
d) x <9
S ={ 0,1,2,3...8}
e) 4+x >/ 10
x >/ 6
S={6,8,9,10,....}
f) 2+x >/ 12
x >/ 10
S={10,11,12...}
g) x > 6 S={7,8,9,10...}
h) x +21 </ 43
x </ 22
S= {0,1,2,3,...22}
i) x < 2 S ={0,1}
j) 3x >/ 33
x >/ 11 S={11,12,13...}
k) x < 14
S={0,1,2,3...13}
l) x : 4 >/ 2
x >/ 8
S={8,9,10,...}
m) x < 15
S={01,2,3,4,...14}
n) x : 6 >/ 4
x >/ 24
S={24,25,26...}
o) 3x < 33
x < 11
S={0,1,2,3,...10}
p) 3+7x >/ 52
7x >/ 49
x >/ 7
S={ 7,8,9,...}
r) 5x -23 </ 22
5x </ 45
x </ 9
S={0,1,2,3..9}
s) 6x -18 </ 72
6x </ 90
x </ 15
S={0,1,2,...15}
t) 3^x = 3^4
x = 4
u) 10^x < 10^5
x < 5
S={ 0,1,2,3,4}
v) 2^(2x+1) </ 128
2^(2x+1) </ 2^7
2x+1 </ 7
2x </ 6
x </ 3
S={ 0,1,2,3}
x) 4^(3x-5) > 4^4
3x-5 > 4
3x > 9
x > 3
S={4,5,6,...}