Question:
Solve 8377*b - 10496 = 8121*b for b..

Answer:
41

Question:
Solve 110 = 75*v - 1165 for v..

Answer:
17

Question:
Solve 53*p + 7583 - 635 = 246*p for p..

Answer:
36

Question:
Solve 0 = 7*r - 22*r + 30 for r..

Answer:
2