Q: Solve:
Solve 208 = 2137*p - 2121*p for p.

A: 13

Q: Solve:
Solve 348*l - 9216 + 3300 = 0 for l.

A: 17

Q: Solve:
Solve -17*a - 43 = -a + 27*a for a.

A:
-1