Question: What is the solution?

Solve -475*r + 2338 = -141*r for r.

Answer: 7

Question: What is the solution?

Solve 0 = -10*j + 2 + 18 for j.

Answer: 2

Question: What is the solution?

Solve -1794*o + 52*o - 150096 = 4512*o for o.

Answer: -24

Question: What is the solution?

Solve 37640 = -59*x - 749*x - 133*x for x.

Answer:
-40