Q: What is the solution?
Solve 23*w - 13*w = -50 for w.

A: -5

Q: What is the solution?
Solve -3*i + 108 = 15*i for i.

A: 6

Q: What is the solution?
Solve -453*c - 658*c - 13397 + 8898 = 38830 for c.

A:
-39