Question:
Solve -67*y = 81605 - 79662 for y..

Answer:
-29

Question:
Solve -1725*b - 2467 = -14542 for b..

Answer:
7

Question:
Solve -695*f + 514*f + 381*f = -13600 for f..

Answer:
-68

Question:
Solve -8550 + 489 = 2629*t - 174 for t..

Answer:
-3