Show:
x=2
x=4
x=6
x=8
x=9
100
6 • x + 1 - x =
What is 11
100

7x + 2

What is 30

100

30 / x

What is 5

100
4 • x - 2 + x =
What is 38
100

43 + x

What is 52

200
6 • x + 4 + x =
What is 18
200
10 • x + 6 =
What is 46
200
4 • x + 14 =
What is 38
200

40/x + 15 - 7 

What is 13

200
4 + 3 • x - 1 - x =
What is 21
300
10 • x - 2 - x =
What is 16
300
6 + 5 • x + 4 + x =
What is 34
300
2 + 3 • x - 7 + x =
What is 19
300
3 • x - 2 + x =
What is 30
300
8 • x + 9 - x =
What is 72
400

3x - 2x + 10 • 5 


What is 52

400
9 • x + 13 =
What is 49
400

x • x • x / x2 

What is 6

400
2 • x - 4 - x - 5 =
What is -1
400
7 + 9 • x + 1 - x =
What is 80
500
6 + 10 • x + 6 + x =
What is 34
500
7 • x - 25 =
What is 3
500

24/x + (x5 + 43) - 12


What is 7,811

500

12x - (x • x) + 19 

What is 51

500
9 • x + 9 - x =
What is 81