Q: What is the solution?
Solve -168*p - 175*p = -1252 + 9827 for p.

A: -25

Q: What is the solution?
Solve -72*r = 61*r + 798 for r.

A: -6

Q: What is the solution?
Solve -2*x + 31 = 25 for x.

A:
3