Question:
Solve 111*h = 149*h - 456 for h..

Answer:
12

Question:
Solve 155 + 157 = 55*p - 73 for p..

Answer:
7

Question:
Solve -242*q + 1 = -1209 for q..

Answer:
5

Question:
Solve 12 = -19*f + 13*f for f..

Answer:
-2