Question:
Solve -127*b - 42*b + 3938 + 17519 = 330*b for b..

Answer:
43

Question:
Solve 4200*h - 6 = 4206*h - 54 for h..

Answer:
8

Question:
Solve -10*a - 10 = -0 for a..

Answer:
-1

Question:
Solve -47*s - 232*s - 350*s - 26418 = 0 for s..

Answer:
-42