Question: What is the solution?

Solve 3910*j + 7935 + 28642 - 76635 - 135892 = 0 for j.

Answer: 45

Question: What is the solution?

Solve 3939*l - 4054*l + 1615 = -2755 for l.

Answer: 38

Question: What is the solution?

Solve 80*m + 99*m - 686*m + 56551 = 76*m for m.

Answer: 97

Question: What is the solution?

Solve -6399*r + 12842*r - 1452 = 6377*r for r.

Answer:
22