Question:
Solve 33 = 2*b + 27 for b..

Answer:
3

Question:
Solve -3185*c - 64129 = -8118*c for c..

Answer:
13

Question:
Solve -120*s = -89*s - 149 - 37 for s..

Answer:
6

Question:
Solve 0 = -3*s + 3148 - 3157 for s..

Answer:
-3