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B
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Random
100

⅖ + x = 6/5

100

x - 2/14 = 4/7

10/14 or 5/7

100

5/12 + x = ⅔

3/12

100

X + 4 ½ = 7 ½

3

100

8 + y = 17

9

200

-3/7 + y = ⅖

29/35

200

X - 2 ⅔ = -15 ½

-12 5/6

200

-5/7 + x = 7/3

64/21 or 3 1/21

200

-7/5 - x = ⅔

-31/15 or 2 1/15

200

3/7 + x = ⅘

 13/35  

300

-141/5 + y = 1 ⅔

15 13/15

300

y - ¾ = ⅔

  17/12 or 1 5/12

300

x - (-4.5) = -3 ½

8

300

x - (-1.2) = -½

-17/10  or -1 7/10

300

4.8 + x = -4/7

-148/35 or -4 8/35

400

(y+8)/7 = 10

62

400

y + 89 = -y - 4.4

-46.7

400

(4.5+y)/2 = 4

3.5

400

-⅘ + x = 3.75

4.55

400

(¼ + y) / 4 = 2.25

8.75

500

1 + x = 2

1

500

x - 15 + 75 = 5x

15

500

8/7 - x = 4/3

-4/21

500

4.87 + x = -2

 -6.87

500

8 + 1 = x

 9