Q: What is the solution?
Solve 0 = 33*u - 20*u + 52 for u.

A: -4

Q: What is the solution?
Solve -8*a = -284 + 252 for a.

A: 4

Q: What is the solution?
Solve 480 = 5116*w - 5084*w for w.

A:
15