Q: What is the solution?
Solve 24 = 350*r - 344*r for r.

A: 4

Q: What is the solution?
Solve 0 = 9*u + 2 + 16 for u.

A: -2

Q: What is the solution?
Solve 277*u - 1377 = 124*u for u.

A:
9