Question: What is the solution?

Solve 19*i - 71 - 81 = 0 for i.

Answer: 8

Question: What is the solution?

Solve -657 = -484*s + 412*s + 63 for s.

Answer: 10

Question: What is the solution?

Solve -739*l + 53912 = -1133*l - 1950*l for l.

Answer: -23

Question: What is the solution?

Solve 33217 - 20912 = -427*s - 108*s for s.

Answer:
-23