Q: What is the solution?
Solve -2848 = -1642*u + 1610*u for u.

A: 89

Q: What is the solution?
Solve 1034785 = -d + 1034743 for d.

A: -42

Q: What is the solution?
Solve -79*q + 1388 = -1237 + 650 for q.

A:
25