Addition
x + 7 = 16
x=9
x - 10 = 7
x = 17
2x = 12
x=6
x/3 = 3
x= 9
x - 7 = 90
x = 97
x + 4 = 28
x=24
x - 7 = 23
x = 30
6x= 18
x=3
x/3= 9
x = 27
x - 89 = 111
x = 200
x + 18 = 34
x = 16
x - 25 = 50
x = 75
5x= 45
x = 9
x/4 = 12
x/4 = 12
x = 48
x + 456 = 496
x = 40
x - 37 = 81
x = 118
9x = 72
x = 8
x/8 = 7
x = 56
7x = 63
x = 9
x + 79 = 108
x = 29
x - 5 = 7383
x = 7388
10x= 1000
x= 100
x/11= 12
x = 132
x + 632 = 896
x = 264