Question: What is the solution?

Solve 2478*u + 119326 + 74219 = -87030 + 69945 for u.

Answer: -85

Question: What is the solution?

Solve -208816*y = -208822*y + 186 for y.

Answer: 31

Question: What is the solution?

Solve -1492*x - 2013*x - 35050 = 0 for x.

Answer: -10

Question: What is the solution?

Solve -56*r = 46 + 2 + 8 for r.

Answer:
-1