100
x + 8 = 24
What is 16
100
x - 12 = 1
What is 13
200
28 + x = 43
What is 15
200
x - 49 = 23
What is 72
200
x / 25 = 11
What is 275
300
32 = 5 + x
What is 27
300
31 = x - 24
What is 55
300
x = 87 / 3
What is 29
400
81 = x + 49
What is 32
400
x - 43 = 55
What is 98
400
23 = x / 12
What is 276