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Addition
Subtraction
Multiplication
Division
Challenge
100
x + 8 = 24
What is 16
100
x - 12 = 1
What is 13
100
3x = 42
What is 14
100
x / 8 = 7
What is 56
100

x + 8 =  12

What is 4

200

x + 28 = 43

What is 15

200
x - 49 = 23
What is 72
200
12x = 48
What is 4
200
x / 25 = 11
What is 275
200

x - 10 = 14

What is 24

300

32 = x + 5

What is 27

300
31 = x - 24
What is 55
300
112 = 14x
What is 8
300
x = 87 / 3
What is 29
300

5x = 130

What is 26

400
81 = x + 49
What is 32
400
x - 43 = 55
What is 98
400
256 = 16x
What is 16
400
23 = x / 12
What is 276
400

x / 4 = 12

What is 48