Question:
Solve -19 = 6*f + 11 for f..

Answer:
-5

Question:
Solve -1075*i + 204 = -1177*i for i..

Answer:
-2

Question:
Solve 0 = 74*n + 5*n + 35 + 44 for n..

Answer:
-1

Question:
Solve -99*m + 15 = -94*m for m..

Answer:
3