Question:
Solve -163 = -11*z - 207 for z..

Answer:
-4

Question:
Solve 3301 = 5487*s - 5734*s - 157 for s..

Answer:
-14

Question:
Solve 1888*s + 2142*s - 24047 - 11605 = 1059*s for s..

Answer:
12

Question:
Solve -166*p = -184*p - 162 for p..

Answer:
-9