100
x + 4 = 25
What is 21
100
m + 3.78 = 12.4
What is 8.62
200
a + 13 = 576
What is 563
200
x - 66.09 = 102.8
What is 168.89
300
k - 19.54 = 21.6
What is 41.14
400
x + 3.6 = 10.8
What is 7.2
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
8.27 = c + 4.381
What is 3.889
500
a - 5.9 = 38.64
What is 44.54
500
2.1y = 7.56
What is 3.6
500
80 = x/15
What is 1200
500
0.12 = y/0.12
What is 0.0144