Question: What is the solution?

Solve 514*w - 434*w + 267*w = 23943 for w.

Answer: 69

Question: What is the solution?

Solve 941*y + 1658913 = 1742662 for y.

Answer: 89

Question: What is the solution?

Solve 52*y - 43*y - 30 + 111 = 0 for y.

Answer: -9

Question: What is the solution?

Solve -106*u = 134*u + 440*u - 6317 + 18557 for u.

Answer:
-18