Q: Solve -681*j - 2214 = -804*j for j.

A: 18

Q: Solve -4940*a = 81753 + 48991 - 27004 for a.

A: -21

Q: Solve -49 = -10*p - 79 for p.

A: -3

Q: Solve -375*u + 414*u + 1638 = 0 for u.

A:
-42