Q: What is the solution?
Solve 7*b = 11*b + 16 for b.

A: -4

Q: What is the solution?
Solve 10223*r - 10208*r + 30 = 0 for r.

A: -2

Q: What is the solution?
Solve -12566 = 192*y - 5078 for y.

A:
-39