Simple
2x>12
x>6
x/9<=1
x<=9
2x+5<=12
x<=7/2
-4x>16
x<-4
-2x+4>=13
x<=-9/2
x<1
x/4<5
x<20
3x-5<=10
x<=5
-2x<46
x>-23
p<-3
10+x>17
x>7
x/3>=7
x>=21
x>=5
-7x>49
x<-7
r>=-10
x-10>=2
x>=12
x/6>3
x>10
10z-10>=90
z>=10
-2x>=24
x<=-12
r<=-9
x-2>4
x/4<1
x<4
8y-9>= 87
y>=12
-4z>16
z<-4
-90p+10>=100
p<=-1