question: Teacher asked me this: Solve 108*f + 220 + 29 = -141*f for f.
++++++++++
answer: -1

question: Teacher asked me this: Solve 5923 = -431*s - 8632 - 13029 for s.
++++++++++
answer: -64

question: Teacher asked me this: Solve -1235*f + 2130 = -1093*f for f.
++++++++++
answer: 15

question: Teacher asked me this: Solve 0 = -5615*m - 75259 - 121266 for m.
++++++++++
answer:
-35