Question: What is the solution?

Solve 0 = 88*u + 495 + 649 for u.

Answer: -13

Question: What is the solution?

Solve -1378*l = -1776*l - 1194 for l.

Answer: -3

Question: What is the solution?

Solve 6*m = 4*m + 4*m for m.

Answer: 0

Question: What is the solution?

Solve -5*p - 13 - 2 = 0 for p.

Answer:
-3