Variables
Variables on both sides
Variables with divison in the end
Random
100

2x - 1x = 5+7

12

100

2x + 5 = 1X

-5

100

3x = 21

7

100

7x + 3 = 2x + 13

2
200

x + 11 - 2 = 10

1
200

5x - 3x + 4 = 1x - 5

-9

200

13x - 9x + 20 = 30 + 2

3

200

-20x + 15 = 2 - 16x + 11

1/2

300

x - 4 + 4 = 6

6

300
3x - 2x + 6 = 2x - 2x 

-6

300

7x - 9 = 5

2

300

1x - 1x + 4 = 5 - 2

0, undefined, No X

400

2x - 1x - 5 = 5

10

400

3x + 7 = 3x + 7

0, no X, undefined

400

2x - 5 = 3

4

400

x = x

Undefined, no X

500

x - 5 - 3 = 7

14

500
3x - 6 = 2x + 6

-12

500

-3x - 2 = -17

5

500

x - 6 + 7 = 12

11

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