Q: What is the solution?
Solve 58*r - 53 = -1387 for r.

A: -23

Q: What is the solution?
Solve 160575 + 174478 + 467403 = 5422*q for q.

A: 148

Q: What is the solution?
Solve 0 = 8*q + 5*q + 3*q + 48 for q.

A:
-3