Q: What is the solution?
Solve -47*r + 113*r = 0 for r.

A: 0

Q: What is the solution?
Solve -2923 + 2889 = 17*u for u.

A: -2

Q: What is the solution?
Solve 671*j - 406*j = 464*j + 6366 - 1391 for j.

A:
-25