Question:
Solve -s + 2 = 5 for s..

Answer:
-3

Question:
Solve -8*b - 33 - 7 = 0 for b..

Answer:
-5

Question:
Solve 4*f = 149*f + 290 for f..

Answer:
-2

Question:
Solve 0 = -633*z + 571*z + 2232 for z..

Answer:
36