100
x + 4 = 25
What is 21
100
m + 1.7 = 2.4
What is 0.7
200
a + 13 = 10
What is -3
200
x + 66.09 = 102.8
What is 36.71
300
12 = k - 8
What is 20
400
36 + x= 100
What is 64
400
x - 323 = 665
What is 988
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 -16 = 39
What is 55
500
80 = x/15
What is 1200
500
0.12 = y/0.12
What is 0.0144