Q: What is the solution?
Solve 28067*r = 28026*r + 492 for r.

A: 12

Q: What is the solution?
Solve -17*l + 52 = 19*l + 124 for l.

A: -2

Q: What is the solution?
Solve 57*p - 7150 = -45*p - 173*p for p.

A:
26