addition
subtraction
multyplication
negative coefficient
divition
100

x+2>10

x>8

100

x−3<7

x<10
100

2x>10

x>5

100

−3x>−12

x<4

100

x/2>3

x>6

200

x+5<10

x<5

200

x−5≥2

x≥7

200

3y<15

y<−5

200

−2x>−10

x<5

200

y/5≤4

y≤20

300

x+8<10

x<2

300

z−4≤−1

z≤3

300

4z≥16

z≥4

300

−3y≤12

y≥−4.

300

z/3≥−2

z≥−6

400

2x+8<16

x<4

400

2x−4≤10

2x≤14

400

3x≥12

x≥4

400

−3x+5≤7

x≥−2/3

400

3/x-2≤5

x≤3/7

500

3x+6>18

x>4

500

5z−3≥−7

z≥−4/5

500

5z+3≤18

z≤3

500

−2y+4>−6

y<5

500

8/x-3≤5

x≥1