Q: What is the solution?
Solve -243*w = -2448 - 3384 for w.

A: 24

Q: What is the solution?
Solve -27 = -489*u + 498*u for u.

A: -3

Q: What is the solution?
Solve 270*b - 15568 = 744*b + 1750*b for b.

A:
-7