Question:
Solve -260*f - 517*f + 170*f + 27922 = 0 for f..

Answer:
46

Question:
Solve 2779*s = 2745*s - 196 - 314 for s..

Answer:
-15

Question:
Solve 40680*u + 536 = 40629*u + 1352 for u..

Answer:
16

Question:
Solve 0 = -17272459*s + 17272403*s + 3528 for s..

Answer:
63