Q: Solve:
Solve 93*r = 167*r - 370 for r.

A: 5

Q: Solve:
Solve -1475 = 19*p - 77*p - 3737 for p.

A: -39

Q: Solve:
Solve 228*b + 7124 = 905*b - 3263 - 2476 for b.

A:
19