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Addition
Subtraction
Multiplication
Division
100

x - 4 = 36

x = 40

100

x + 7 = 13

x = 6

100

x/5 = 12

x = 60

100

2x = 100

x = 50


200

50 = y + (-7)

y = 57

200

-17 = 15 - y

y = 32

200

6 + x/3 = 17

x = 33

200

7x - 2 = 40

x = 6

300

2y - 3 +3y = -23

y = -5

300

9 = -x + 7 -1

x = -3

300

-10 = x/4 - 5 + 5

x = -40

300

-45 = -15y

3 = y

400

2x + (-4) + 10 = 26

x = 10

400

55 = 9x + x +10

5 = x

400

-y/4 = 10

y = -40

400

100 = -25m

-4 = m

500

-14 - 2x - 14 - 6x + 2x = -34

x = 1

500

-18 + 2x + 20 = 42

x = 20

500

14 -x/3 = 14

x = 0

500

-5x - 5 + 5x = 50

x = no solution