100
x + 4 = 25
What is 21
100
m + 3.7 = 2.4
What is -1.3
200
a + 13 = 23
What is 10
200
x/4 = -14
What is -56
200
x - (-66.09) = 102.8
What is 36.71
300
-5e = -400
What is 80
300
-5.6 = 0.8x
What is -7
400
x + 36 = 100
What is 64
400
-11x = 275
What is -25
400
-28 = a/-13
What is 364
400
c/-0.29 = 5.5
What is -1.595
500
27 = c - 3
What is 30
500
-21y = -756
What is 36
500
-80 = x/15
What is -1200
500
0.12 = y/0.12
What is 0.0144