Question:
Solve -15 = 59*z - 62*z for z..

Answer:
5

Question:
Solve -1733 = 2*f - 1721 for f..

Answer:
-6

Question:
Solve 4479*h - 4491*h = -96 for h..

Answer:
8

Question:
Solve 158*t = 1254 + 4122 - 794 for t..

Answer:
29