Q: What is the solution?
Solve -6004 + 8797 = -133*p for p.

A: -21

Q: What is the solution?
Solve 703 = 75*r + 258*r + 6031 for r.

A: -16

Q: What is the solution?
Solve 0 = -21*z - 48*z + 45*z + 576 for z.

A:
24