Question:
Solve 2863*s = -1367*s - 1196*s + 402135 - 87427 for s..

Answer:
58

Question:
Solve -7882*b + 7933*b = 969 for b..

Answer:
19

Question:
Solve -350*f - 50 = -340*f for f..

Answer:
-5

Question:
Solve 49 = -22*n - 14*n - 1211 for n..

Answer:
-35