Question:
Solve 225583 = -2664*u + 79063 for u..

Answer:
-55

Question:
Solve 316*x - 443*x - 3222 = -237*x + 408 for x..

Answer:
33

Question:
Solve -1706 + 210 - 94 = -58*q + 2180 for q..

Answer:
65

Question:
Solve 185 + 55 = 20*i for i..

Answer:
12