Question:
Solve 0 = 191*v - 187*v - 8 for v..

Answer:
2

Question:
Solve 0 = 7642*p - 760405 - 382792 + 264367 for p..

Answer:
115

Question:
Solve -1510*u - 907*u = -523*u - 47350 for u..

Answer:
25

Question:
Solve 11*l = 31 - 31 for l..

Answer:
0