100
x + 4 = 25
What is 21
100
m + 3.7 = 12.4
What is 8.7
200
a + 13 = 214
What is 201
200
x - 66.09 = 102.8
What is 168.89
300
x + 14 = 82
What is 68
300
k - 832 =121
What is 204
400
x + 36 = 101
What is 65
400
x - 327 = 665
What is 992
400
28 = a/13
What is 364
400
c/0.29 = 5.5
What is 1.595
500
27 = c + 27
What is 0
500
a - 44 = 44
What is 88
500
80 = x/15
What is 1200
500
0.12 = y/0.12
What is 0.0144