Q: What is the solution?
Solve 0 = 50*w + 15*w + 390 for w.

A: -6

Q: What is the solution?
Solve 94*m - 490 = 45*m for m.

A: 10

Q: What is the solution?
Solve 5*j - 60 = -15*j for j.

A:
3