Question: What is the solution?

Solve 0 = -2051*u + 2016*u + 1168 + 302 for u.

Answer: 42

Question: What is the solution?

Solve -4*x - 7 = 9 for x.

Answer: -4

Question: What is the solution?

Solve 480 = -45*p + 58*p + 64 for p.

Answer: 32

Question: What is the solution?

Solve 514*i - 3671*i - 86755 = 115293 for i.

Answer:
-64