Question:
Solve 53*q = 52*q for q..

Answer:
0

Question:
Solve -2*x = -66 + 56 for x..

Answer:
5

Question:
Solve 5*v - 40 = -15*v for v..

Answer:
2

Question:
Solve 39 - 12 = -27*x for x..

Answer:
-1