Question:
Solve 883*z = 864*z + 76 for z..

Answer:
4

Question:
Solve -234 + 77 + 66 = -13*u + 260 for u..

Answer:
27

Question:
Solve -25*p - 395 - 421 = 23*p for p..

Answer:
-17

Question:
Solve 10*t = -131*t + 1974 for t..

Answer:
14