Q: What is the solution?
Solve -148 = -33*p + 215 for p.

A: 11

Q: What is the solution?
Solve 7*f + 14 = -0 for f.

A: -2

Q: What is the solution?
Solve 0 = 71*s + 116*s - 4545 + 431 for s.

A:
22