Question: What is the solution?

Solve l - 9*l - 10*l = 0 for l.

Answer: 0

Question: What is the solution?

Solve -70*s + 51 = 26*s + 147 for s.

Answer: -1

Question: What is the solution?

Solve -44*i = -63*i - 38 for i.

Answer: -2

Question: What is the solution?

Solve -269*s = -254*s + 120 for s.

Answer:
-8