Q: What is the solution?
Solve 663*r - 50589 = -870*r for r.

A: 33

Q: What is the solution?
Solve -471*h - 2945 + 11894 = 0 for h.

A: 19

Q: What is the solution?
Solve -33*a - 5931 = -6822 for a.

A:
27