Q: What is the solution?
Solve -24*x - 106 = -123*x + 488 for x.

A: 6

Q: What is the solution?
Solve -285*u + 10520 = 268*u - 27*u for u.

A: 20

Q: What is the solution?
Solve -395 + 5 = -78*b for b.

A:
5