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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 -20
200
28 + x = 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
10 - x = -14
What is 24
300
32 = 5 + x
What is 27
300
31 = x - 24
What is 55
300
112 = 14x
What is 8
300
x = 87 / 3
What is 29
300

5 - x = -15 

What is 20

400

8.1 = x + 4.9

What is 3.2

400

x - 4.3 = 55

What is 59.3

400

25.6 = 1.6x

What is 16

400

2.3 = x / 1.2

What is 2.76

400

x + 35 = -50

What is -85