Q: What is the solution?
Solve 14*w - 17*w + 15 = 0 for w.

A: 5

Q: What is the solution?
Solve 0 = -69*a + 67*a + 10 for a.

A: 5

Q: What is the solution?
Solve 15*q + 39 = 9 for q.

A:
-2