Q: What is the solution?
Solve 12*y + 13 - 25 = 0 for y.

A: 1

Q: What is the solution?
Solve -25 = -24*u + 19*u for u.

A: 5

Q: What is the solution?
Solve -86447 = 1711*s - 8152*s + 68137 for s.

A:
24