Question:
Solve 0 = 1330*d - 497*d - 470*d - 532*d - 16731 for d..

Answer:
-99

Question:
Solve -365484 + 363801 = 51*h for h..

Answer:
-33

Question:
Solve 0 = -127*f - 1459*f + 74542 for f..

Answer:
47

Question:
Solve 31*d - 17355 = 11*d - 17935 for d..

Answer:
-29