Question:
Solve -11*s - 102 = -36 for s..

Answer:
-6

Question:
Solve -19010*s = -19345*s - 1340 for s..

Answer:
-4

Question:
Solve 1282*f + 94104 = 730*f - 755*f for f..

Answer:
-72

Question:
Solve -16*r - 2*r - 36 = 0 for r..

Answer:
-2