Question: What is the solution?

Solve 23*n - 800 = 46*n - 43*n for n.

Answer: 40

Question: What is the solution?

Solve 105*u = 33*u - 648 for u.

Answer: -9

Question: What is the solution?

Solve 0 = -0*t - 5*t - 10 for t.

Answer: -2

Question: What is the solution?

Solve 4400*t + 941*t + 8935 = 1515*t - 10195 for t.

Answer:
-5