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 + 3.1 = 8.6

What is 5.5?

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

x + (3/4) = 5 (1/4)

What is 4 (1/2) or 4.5?

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

1.5x = 21

What is 14?

400
81 = x + 49
What is 32
400
x - 43 = 55
What is 98
400
256 = 16x
What is 16
400

24 = x / 12

What is 288?

400

x / 4.5 = 7.2

What is 32.4?

500

123 = x + 87

What is 36?

500

x - 123 = 789

What is 912?

500

7x = 203

What is 29?

500

x / 21 = 11

What is 231?
500

x + 9 = -11

What is -20?

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