Question:
Solve 434*d - 5876 = -1536 for d..

Answer:
10

Question:
Solve -89*h + 2351*h - 4187 + 83627 = -1992 for h..

Answer:
-36

Question:
Solve 136*c - 27 - 697 - 1452 = 0 for c..

Answer:
16

Question:
Solve 6806 - 6860 = -6*b for b..

Answer:
9