Q: What is the solution?
Solve -467*r - 948 = -309*r for r.

A: -6

Q: What is the solution?
Solve -2078*w - 127912 = -69728 for w.

A: -28

Q: What is the solution?
Solve 839*q - 1034*q + 4875 = 0 for q.

A:
25