Question:
Solve 2*q = 4*q - 6 for q..

Answer:
3

Question:
Solve 3 - 825 - 79 = 53*o for o..

Answer:
-17

Question:
Solve 0 = -5*u + 10*u - 15 for u..

Answer:
3

Question:
Solve 4*t - 203*t + 80 = 279 for t..

Answer:
-1