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Solving Equations
Substituting for Inequalities
Prime Factorization
Greatest Common Factor
Least Common Multiple
100

7 - c = 32

-25

100

7x > 49 

4, 8, 10, 11 

8, 10, 11 

100

33

3 · 11

100

12 and 68

4

100

8 and 6

24

200

-4m = -6(8) 

12

200

-9x ≠ 72 

-8, 0, 8, 16 

0, 8, 16 

200

90

2 · 32 · 5

200

112 and 63

7

200

40 and 50 

200

300

6x + x = -56

-8

300

k + (-12) < 0 

-12, 0, 12, 24 

-12, 0

300

175

52 · 7

300

36, 90, and 108 

18

300

42, 45, and 63

630

400

4x - 7x = 69 

-23

400

13 > z ÷ 3 

-8, 20, 39, 40 

-8, 20 

400

594

2 · 33 · 11

400

26abc and 65ad2

13a

400

12ab and 15b2c

60ab2c

500

4x + 5x + 12 - 1 = -16

-3

500

42 > y ÷ 10 

4.2, 10, 100, 420 

4.2, 10, 100, 420 

500

32 · 53 · 11

12,375

500

90j5k7, 105j7k5, and 55j6k6

5j5k5

500

84r, 21s, 14t

84rst