100
x + 4 = 25
What is 21
100
m - 3.7 = 2.4
What is 6.1
200
a + 10 = 13
What is 3
200
x - 66.09 = 102.82
What is 168.91
300
k - 83 =121
What is 204
400
x + 36 = 100
What is 64
400
x - 327 = 665
What is 992
400
28 = a/13
What is 364
400
c/29 = 0.55
What is 15.95
500
27 = c + 27
What is 0.
500
a - 163 = 392
What is 555.
500
80 = x/15
What is 1200.
500
0.12 = y/12
What is 1.44