Question: What is the solution?

Solve 0 = -3*v + 9*v - 4*v - 4 for v.

Answer: 2

Question: What is the solution?

Solve 0 = -233*u - 405*u - 1239*u + 193331 for u.

Answer: 103

Question: What is the solution?

Solve -5*u + 4 = -4*u for u.

Answer: 4

Question: What is the solution?

Solve -234*l - 27*l + 9552 = 535*l for l.

Answer:
12