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100

4x +10 = 30

5

100

14 + 6x = 2

-2

100

3(x+2)=16

3

200

4x − 8 = 20

7

200

2x-3=-2 

½

200

7( x - 4 )- 3=46

11

300

5 + 2x = 65


30

300

5+10x=15

-2

300

-9(x-4)=54 

-2


400

9 + 4x = −15

-6


400

-3= 16-x

19


400

5(4x-3)=11

1.3

500

14 +6x -2

-2

500

-4=12-2x

8

500

2(x-2)=12

8
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