Question:
Solve 64 = -565*z + 573*z for z..

Answer:
8

Question:
Solve -4320 = -4201*q + 4111*q for q..

Answer:
48

Question:
Solve 17531*x - 17536*x + 20 = 0 for x..

Answer:
4

Question:
Solve 4 - 12 = -2*q for q..

Answer:
4