Q: What is the solution?
Solve 5*y - 15 = 8*y for y.

A: -5

Q: What is the solution?
Solve -416*z + 2240 + 6621 + 7779 = 0 for z.

A: 40

Q: What is the solution?
Solve 0 = -550*b + 428*b + 387*b - 4505 for b.

A:
17