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Equations
Inequalities
100

3r + 2 + 2r

5r + 2 or 2 + 5r

100

-4 - 5

-9

100

3(-9)

-27

100

x + 11 = 42

x = 31

100

r + 5 ≥ 17

r  ≥ 12

200

6 -5p + 7

13 - 5p or -5p +13

200

-22 + 18

-4

200

-4 ÷ 2

-2


200

12x = 144

x = 12

200

15r > 60

r > 60

300

3 + 5x -3 + 5x

10x

300

-12 -(-12)

0

300

-14.5 (-4)

-58

300

-6 -10y = 94 

y = -10      

300

30 ≤ -10 + 8p

p ≥ 5

400

6y - 3 + 4(y - 5)

10y - 23 or -23 +10y

400

9 -13 + 11

7

400

-5(-4)/5

4

400

36 + 2y = -148 

y = -92

400

-5y -7 > 23

y < 4

500

-9(2m - 11) - 6(4m -10) 

-42m + 159 or 159 - 42m

500

-15 + (-26) - 3 + (-8)

-52

500

-3(-14/7)-11

-5

500

-14 + (b/11) -6 = -70

b = -550

500

144/a + 12 > -12

a > 6