Level 1
Level 2
Level 3
100

0.4x-0.7=0.3x

7

100

2/3-3/2x=-1/3x-4

4

100

3x-6/3=3/4x+9/4

17/4

200

2x-0.6=0.5

11/20

200

1/5x+2/3-2=x-2/5

-7/6

200

x+8/3=1/2+1/4x

-26/9

300

2x-4=5x-13

3

300

0.7x+0.5=0.2x+1

1

300

-7.5-8.99x=2.1x+3.55

-1

400

2x-1=4+x

5

400

6/4x+3/8=2

13/12

400

7/4x-3=2+9/2x

-20/11

500

0.05x-0.02=0.28-0.01x

5

500

0.25+0.5x=4

15/2

500

0.25x+0.4x=0.5x-0.45

-3

600

5x-2=6+x

2

600

0.25x+x=-3+0.5x

-4

600

1/3-2/9x=15+x

-12

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