Q: What is the solution?
Solve -250 + 177 = 47*r - 1684 - 2666 for r.

A: 91

Q: What is the solution?
Solve 49*l + 196 + 49 = 0 for l.

A: -5

Q: What is the solution?
Solve 109*p + 10750 - 6281 = 0 for p.

A:
-41