Question:
Solve -29*h - 440 = 21*h - 10*h for h..

Answer:
-11

Question:
Solve w = 94*w + 11*w - 18*w - 3698 for w..

Answer:
43

Question:
Solve -45*c + 28536 = 168*c + 33222 for c..

Answer:
-22

Question:
Solve 2329*f + 7419*f - 258986 = 1325*f - 1538*f for f..

Answer:
26