Question: What is the solution?

Solve 494*l - 503*l - 63 = 0 for l.

Answer: -7

Question: What is the solution?

Solve 109*i + 104*i = 2769 for i.

Answer: 13

Question: What is the solution?

Solve 125*a - 396 = -73*a + 165*a for a.

Answer: 12

Question: What is the solution?

Solve -5*p - p = -6 for p.

Answer:
1