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Addition
Subtraction
Multiplication
Division

100

2x + 9 = 15

3

100

x+4=7

3

100

x - 9 = 11

20

100

2x = 10

5

100

x/2 = 9

18

200

3x - 1 = 11

4

200

x + 12 = 20

8

200

9 = x - 4

13

200

18 = 3x

6

200

20 = x/5

100

300

3x + 0 = 15

5

300

19 + x = 30

 11

300

20 - x = 12

8

300

12x = 60

5

300

x/2 = 7

14

400

x/7 = 3

21

400

6 = 9 + m

 -3

400

X - 6 = -5

X = 1

400

22 = 11x

2

400

6 = x/7

42

500

3x + 2 = 11

3

500

-5 + x = -16

-11

500

X - 19 = 37

X = 18

500

12X = 96

8

500

x/100 = 5

500