Q: Solve:
Solve 16903*p + 126219 = -8607*p - 50018 + 23177 for p.

A: -6

Q: Solve:
Solve -183 = 142*u - 2881 for u.

A: 19

Q: Solve:
Solve 12*a + 1267*a = -836*a - 16920 for a.

A:
-8