Question: What is the solution?

Solve 108 = 11*b - 498 + 78 for b.

Answer: 48

Question: What is the solution?

Solve 0 = 55*l - 134 - 31 for l.

Answer: 3

Question: What is the solution?

Solve -86*n = -89*n + 12 for n.

Answer: 4

Question: What is the solution?

Solve -456 = 6*m + 51*m for m.

Answer:
-8