Solving for X (Rossier Park HS)

Column 1

100

x - 12 = 8

x = 20

200

13 = x - 17

x = 30

300

2x = 20

x = 10

400

x/5 = 20

x = 100

500

x + 4 = 4

x = 0

Column 2

100

15 + x = 42

x = 27

200

100 = x + 47

x = 53

300

x/10 = 220

x = 2200

400

40 = -5x

x = -9

500

x/1 = 200

x = 200

Column 3

100

x -1 = 2

x = 3

200

x + 36 = -36

x = -72

300

51 = 17x

x = 3

400

45 = x/2

x = 90

500

-400 = 8x

x = -50

Column 4

100

14 = -12 + x

x = 26

200

-72 + x = -100

x = -28

300

-3x = 33

x = -11

400

120 = x/5

x = 600

500

x - 16 = -15

x = 1