balancing equations

addition

100

x+ 3 = 4

x = 1

200

x + 4 = 10

x = 6

300

x + 8 = 16

x = 24

400

x + 14 = 30

x = 16

500

x + 19 = 24

x = 5 

subtraction

100

x-2 = 5

x = 7

200

x - 7 = 2

x = 9 

300

x - 7 = 21

 x = 28

400

x - 6 = 20

x = 26

500

x - 19 = 19

x = 38

multiplication

100

3x=12

x = 4

200

2x = 16

x = 8 

300

5x = 35

x = 7

400

4x + 3 = 23

x = 5 

500

10x - 9 = 91

x = 10

division

100

x/3  = 1

x = 3 

200

x/5 = 4 

x = 20

300

x/5 = 6

x = 30

400

x/4 = 7

x = 28

500

x/8 = 4

x = 32