Q: Solve -12390*x - 1310*x = -1139659 + 468359 for x.

A: 49

Q: Solve -3424*n = -3595*n - 2565 for n.

A: -15

Q: Solve -9 - 239 = -62*p for p.

A: 4

Q: Solve 0 = -549753*q + 549914*q + 4186 for q.

A:
-26