Question: What is the solution?

Solve -4*j + 22 = 6 for j.

Answer: 4

Question: What is the solution?

Solve -7*f - 3019 = -3033 for f.

Answer: 2

Question: What is the solution?

Solve -3138*d = -3019*d + 3689 for d.

Answer: -31

Question: What is the solution?

Solve 0 = -50614*n + 50624*n - 280 for n.

Answer:
28