Q: Solve:
Solve 0 = 7*p - p + 143*p - 26*p - 5904 for p.

A: 48

Q: Solve:
Solve -19531 = 954*i - 277*i - 5314 for i.

A: -21

Q: Solve:
Solve 75 = -54*l + 21 for l.

A:
-1