Question:
Solve 45*b + 853 = 9*b - 695 for b..

Answer:
-43

Question:
Solve 70 = -7*h + 98 for h..

Answer:
4

Question:
Solve -6*s + 248 = 272 for s..

Answer:
-4

Question:
Solve 451*h + 307277 = 305473 for h..

Answer:
-4