Pre-Algebra Chapter 1 Review

One-step equations

100

x - 7 = 12

x = 19

200

3x=-24

x=-8

300

x/2 = 14

x=28

400

15x = 5

x = 1/3

500

-x/3=-5

x=15

Two-step equations

100

2x - 5 = 15

x=10

200

x/3 - 4 = 8 

x = 36

300

2x + 8 = 20

x = 6

400

5x - 9 = -6

x = 3/5

500

x/6 + 8 = 4

x = -24

One-step inequalities

100

x+9<12

X<3

200

3x > 3

x > 1

300

x/ 3 < 4

x < 12

400

x - 7 < 11

x < 18

500

-x/6 > 8

x < -48

Two-step inequalities

100

2x - 8 > 14

X > 11

200

-3x + 7 < 10

x > -1

300

x/2 -8 > -4

x > 8

400

-x/5 -15 > 25

x < -200

500

9 - 6x > -15

x < 4

Multi-step equations and inequalities

100

3 ( x - 4) = 6

x=6

200

2 ( 2x + 7) - 5 = 10

x = 1/4

300

3 ( x - 7) < 21

x < 14

400

2 ( 3x + 8) < 2( x- 4)

x < -6

500

x/2 - 4 > 4 ( 2x - 4)

x < 1.6